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1
2//==--- DiagnosticSemaKinds.td - libsema diagnostics ----------------------===//
3//
4//                     The LLVM Compiler Infrastructure
5//
6// This file is distributed under the University of Illinois Open Source
7// License. See LICENSE.TXT for details.
8//
9//===----------------------------------------------------------------------===//
10
11//===----------------------------------------------------------------------===//
12// Semantic Analysis
13//===----------------------------------------------------------------------===//
14
15let Component = "Sema" in {
16let CategoryName = "Semantic Issue" in {
17
18def note_previous_decl : Note<"%0 declared here">;
19def note_entity_declared_at : Note<"%0 declared here">;
20def note_callee_decl : Note<"%0 declared here">;
21def note_defined_here : Note<"%0 defined here">;
22
23// For loop analysis
24def warn_variables_not_in_loop_body : Warning<
25  "variable%select{s| %1|s %1 and %2|s %1, %2, and %3|s %1, %2, %3, and %4}0 "
26  "used in loop condition not modified in loop body">,
27  InGroup<ForLoopAnalysis>, DefaultIgnore;
28def warn_redundant_loop_iteration : Warning<
29  "variable %0 is %select{decremented|incremented}1 both in the loop header "
30  "and in the loop body">,
31  InGroup<ForLoopAnalysis>, DefaultIgnore;
32def note_loop_iteration_here : Note<"%select{decremented|incremented}0 here">;
33
34def warn_for_range_const_reference_copy : Warning<
35  "loop variable %0 "
36  "%diff{has type $ but is initialized with type $"
37  "| is initialized with a value of a different type}1,2 resulting in a copy">,
38  InGroup<RangeLoopAnalysis>, DefaultIgnore;
39def note_use_type_or_non_reference : Note<
40  "use non-reference type %0 to keep the copy or type %1 to prevent copying">;
41def warn_for_range_variable_always_copy : Warning<
42  "loop variable %0 is always a copy because the range of type %1 does not "
43  "return a reference">,
44  InGroup<RangeLoopAnalysis>, DefaultIgnore;
45def note_use_non_reference_type : Note<"use non-reference type %0">;
46def warn_for_range_copy : Warning<
47  "loop variable %0 of type %1 creates a copy from type %2">,
48  InGroup<RangeLoopAnalysis>, DefaultIgnore;
49def note_use_reference_type : Note<"use reference type %0 to prevent copying">;
50
51def warn_duplicate_enum_values : Warning<
52  "element %0 has been implicitly assigned %1 which another element has "
53  "been assigned">, InGroup<DiagGroup<"duplicate-enum">>, DefaultIgnore;
54def note_duplicate_element : Note<"element %0 also has value %1">;
55
56// Absolute value functions
57def warn_unsigned_abs : Warning<
58  "taking the absolute value of unsigned type %0 has no effect">,
59  InGroup<AbsoluteValue>;
60def note_remove_abs : Note<
61  "remove the call to '%0' since unsigned values cannot be negative">;
62def warn_abs_too_small : Warning<
63  "absolute value function %0 given an argument of type %1 but has parameter "
64  "of type %2 which may cause truncation of value">, InGroup<AbsoluteValue>;
65def warn_wrong_absolute_value_type : Warning<
66  "using %select{integer|floating point|complex}1 absolute value function %0 "
67  "when argument is of %select{integer|floating point|complex}2 type">,
68  InGroup<AbsoluteValue>;
69def note_replace_abs_function : Note<"use function '%0' instead">;
70
71def warn_infinite_recursive_function : Warning<
72  "all paths through this function will call itself">,
73  InGroup<InfiniteRecursion>, DefaultIgnore;
74
75// Constant expressions
76def err_expr_not_ice : Error<
77  "expression is not an %select{integer|integral}0 constant expression">;
78def ext_expr_not_ice : Extension<
79  "expression is not an %select{integer|integral}0 constant expression; "
80  "folding it to a constant is a GNU extension">, InGroup<GNUFoldingConstant>;
81def err_typecheck_converted_constant_expression : Error<
82  "value of type %0 is not implicitly convertible to %1">;
83def err_typecheck_converted_constant_expression_disallowed : Error<
84  "conversion from %0 to %1 is not allowed in a converted constant expression">;
85def err_typecheck_converted_constant_expression_indirect : Error<
86  "conversion from %0 to %1 in converted constant expression would "
87  "bind reference to a temporary">;
88def err_expr_not_cce : Error<
89  "%select{case value|enumerator value|non-type template argument|array size}0 "
90  "is not a constant expression">;
91def ext_cce_narrowing : ExtWarn<
92  "%select{case value|enumerator value|non-type template argument|array size}0 "
93  "%select{cannot be narrowed from type %2 to %3|"
94  "evaluates to %2, which cannot be narrowed to type %3}1">,
95  InGroup<CXX11Narrowing>, DefaultError, SFINAEFailure;
96def err_ice_not_integral : Error<
97  "integral constant expression must have integral or unscoped enumeration "
98  "type, not %0">;
99def err_ice_incomplete_type : Error<
100  "integral constant expression has incomplete class type %0">;
101def err_ice_explicit_conversion : Error<
102  "integral constant expression requires explicit conversion from %0 to %1">;
103def note_ice_conversion_here : Note<
104  "conversion to %select{integral|enumeration}0 type %1 declared here">;
105def err_ice_ambiguous_conversion : Error<
106  "ambiguous conversion from type %0 to an integral or unscoped "
107  "enumeration type">;
108def err_ice_too_large : Error<
109  "integer constant expression evaluates to value %0 that cannot be "
110  "represented in a %1-bit %select{signed|unsigned}2 integer type">;
111
112// Semantic analysis of constant literals.
113def ext_predef_outside_function : Warning<
114  "predefined identifier is only valid inside function">,
115  InGroup<DiagGroup<"predefined-identifier-outside-function">>;
116def warn_float_overflow : Warning<
117  "magnitude of floating-point constant too large for type %0; maximum is %1">,
118   InGroup<LiteralRange>;
119def warn_float_underflow : Warning<
120  "magnitude of floating-point constant too small for type %0; minimum is %1">,
121  InGroup<LiteralRange>;
122def warn_double_const_requires_fp64 : Warning<
123  "double precision constant requires cl_khr_fp64, casting to single precision">;
124
125// C99 variable-length arrays
126def ext_vla : Extension<"variable length arrays are a C99 feature">,
127  InGroup<VLAExtension>;
128def warn_vla_used : Warning<"variable length array used">,
129  InGroup<VLA>, DefaultIgnore;
130def err_vla_non_pod : Error<"variable length array of non-POD element type %0">;
131def err_vla_in_sfinae : Error<
132  "variable length array cannot be formed during template argument deduction">;
133def err_array_star_in_function_definition : Error<
134  "variable length array must be bound in function definition">;
135def err_vla_decl_in_file_scope : Error<
136  "variable length array declaration not allowed at file scope">;
137def err_vla_decl_has_static_storage : Error<
138  "variable length array declaration cannot have 'static' storage duration">;
139def err_vla_decl_has_extern_linkage : Error<
140  "variable length array declaration cannot have 'extern' linkage">;
141def ext_vla_folded_to_constant : Extension<
142  "variable length array folded to constant array as an extension">, InGroup<GNUFoldingConstant>;
143
144// C99 variably modified types
145def err_variably_modified_template_arg : Error<
146  "variably modified type %0 cannot be used as a template argument">;
147def err_variably_modified_nontype_template_param : Error<
148  "non-type template parameter of variably modified type %0">;
149def err_variably_modified_new_type : Error<
150  "'new' cannot allocate object of variably modified type %0">;
151
152// C99 Designated Initializers
153def ext_designated_init : Extension<
154  "designated initializers are a C99 feature">, InGroup<C99>;
155def err_array_designator_negative : Error<
156  "array designator value '%0' is negative">;
157def err_array_designator_empty_range : Error<
158  "array designator range [%0, %1] is empty">;
159def err_array_designator_non_array : Error<
160  "array designator cannot initialize non-array type %0">;
161def err_array_designator_too_large : Error<
162  "array designator index (%0) exceeds array bounds (%1)">;
163def err_field_designator_non_aggr : Error<
164  "field designator cannot initialize a "
165  "%select{non-struct, non-union|non-class}0 type %1">;
166def err_field_designator_unknown : Error<
167  "field designator %0 does not refer to any field in type %1">;
168def err_field_designator_nonfield : Error<
169  "field designator %0 does not refer to a non-static data member">;
170def note_field_designator_found : Note<"field designator refers here">;
171def err_designator_for_scalar_init : Error<
172  "designator in initializer for scalar type %0">;
173def warn_subobject_initializer_overrides : Warning<
174  "subobject initialization overrides initialization of other fields "
175  "within its enclosing subobject">, InGroup<InitializerOverrides>;
176def warn_initializer_overrides : Warning<
177  "initializer overrides prior initialization of this subobject">,
178  InGroup<InitializerOverrides>;
179def note_previous_initializer : Note<
180  "previous initialization %select{|with side effects }0is here"
181  "%select{| (side effects may not occur at run time)}0">;
182def err_designator_into_flexible_array_member : Error<
183  "designator into flexible array member subobject">;
184def note_flexible_array_member : Note<
185  "initialized flexible array member %0 is here">;
186def ext_flexible_array_init : Extension<
187  "flexible array initialization is a GNU extension">, InGroup<GNUFlexibleArrayInitializer>;
188
189// Declarations.
190def err_bad_variable_name : Error<
191  "%0 cannot be the name of a variable or data member">;
192def err_bad_parameter_name : Error<
193  "%0 cannot be the name of a parameter">;
194def err_parameter_name_omitted : Error<"parameter name omitted">;
195def warn_unused_parameter : Warning<"unused parameter %0">,
196  InGroup<UnusedParameter>, DefaultIgnore;
197def warn_unused_variable : Warning<"unused variable %0">,
198  InGroup<UnusedVariable>, DefaultIgnore;
199def warn_unused_local_typedef : Warning<
200  "unused %select{typedef|type alias}0 %1">,
201  InGroup<UnusedLocalTypedef>, DefaultIgnore;
202def warn_unused_property_backing_ivar :
203  Warning<"ivar %0 which backs the property is not "
204  "referenced in this property's accessor">,
205  InGroup<UnusedPropertyIvar>, DefaultIgnore;
206def warn_unused_const_variable : Warning<"unused variable %0">,
207  InGroup<UnusedConstVariable>, DefaultIgnore;
208def warn_unused_exception_param : Warning<"unused exception parameter %0">,
209  InGroup<UnusedExceptionParameter>, DefaultIgnore;
210def warn_decl_in_param_list : Warning<
211  "declaration of %0 will not be visible outside of this function">,
212  InGroup<Visibility>;
213def warn_redefinition_in_param_list : Warning<
214  "redefinition of %0 will not be visible outside of this function">,
215  InGroup<Visibility>;
216def warn_empty_parens_are_function_decl : Warning<
217  "empty parentheses interpreted as a function declaration">,
218  InGroup<VexingParse>;
219def warn_parens_disambiguated_as_function_declaration : Warning<
220  "parentheses were disambiguated as a function declaration">,
221  InGroup<VexingParse>;
222def note_additional_parens_for_variable_declaration : Note<
223  "add a pair of parentheses to declare a variable">;
224def note_empty_parens_function_call : Note<
225  "change this ',' to a ';' to call %0">;
226def note_empty_parens_default_ctor : Note<
227  "remove parentheses to declare a variable">;
228def note_empty_parens_zero_initialize : Note<
229  "replace parentheses with an initializer to declare a variable">;
230def warn_unused_function : Warning<"unused function %0">,
231  InGroup<UnusedFunction>, DefaultIgnore;
232def warn_unused_member_function : Warning<"unused member function %0">,
233  InGroup<UnusedMemberFunction>, DefaultIgnore;
234def warn_used_but_marked_unused: Warning<"%0 was marked unused but was used">,
235  InGroup<UsedButMarkedUnused>, DefaultIgnore;
236def warn_unneeded_internal_decl : Warning<
237  "%select{function|variable}0 %1 is not needed and will not be emitted">,
238  InGroup<UnneededInternalDecl>, DefaultIgnore;
239def warn_unneeded_static_internal_decl : Warning<
240  "'static' function %0 declared in header file "
241  "should be declared 'static inline'">,
242  InGroup<UnneededInternalDecl>, DefaultIgnore;
243def warn_unneeded_member_function : Warning<
244  "member function %0 is not needed and will not be emitted">,
245  InGroup<UnneededMemberFunction>, DefaultIgnore;
246def warn_unused_private_field: Warning<"private field %0 is not used">,
247  InGroup<UnusedPrivateField>, DefaultIgnore;
248
249def warn_parameter_size: Warning<
250  "%0 is a large (%1 bytes) pass-by-value argument; "
251  "pass it by reference instead ?">, InGroup<LargeByValueCopy>;
252def warn_return_value_size: Warning<
253  "return value of %0 is a large (%1 bytes) pass-by-value object; "
254  "pass it by reference instead ?">, InGroup<LargeByValueCopy>;
255def warn_return_value_udt: Warning<
256  "%0 has C-linkage specified, but returns user-defined type %1 which is "
257  "incompatible with C">, InGroup<ReturnTypeCLinkage>;
258def warn_return_value_udt_incomplete: Warning<
259  "%0 has C-linkage specified, but returns incomplete type %1 which could be "
260  "incompatible with C">, InGroup<ReturnTypeCLinkage>;
261def warn_implicit_function_decl : Warning<
262  "implicit declaration of function %0">,
263  InGroup<ImplicitFunctionDeclare>, DefaultIgnore;
264def ext_implicit_function_decl : ExtWarn<
265  "implicit declaration of function %0 is invalid in C99">,
266  InGroup<ImplicitFunctionDeclare>;
267def note_function_suggestion : Note<"did you mean %0?">;
268
269def err_ellipsis_first_param : Error<
270  "ISO C requires a named parameter before '...'">;
271def err_declarator_need_ident : Error<"declarator requires an identifier">;
272def err_language_linkage_spec_unknown : Error<"unknown linkage language">;
273def err_language_linkage_spec_not_ascii : Error<
274  "string literal in language linkage specifier cannot have an "
275  "encoding-prefix">;
276def warn_use_out_of_scope_declaration : Warning<
277  "use of out-of-scope declaration of %0">;
278def err_inline_non_function : Error<
279  "'inline' can only appear on functions">;
280def err_noreturn_non_function : Error<
281  "'_Noreturn' can only appear on functions">;
282def warn_qual_return_type : Warning<
283  "'%0' type qualifier%s1 on return type %plural{1:has|:have}1 no effect">,
284  InGroup<IgnoredQualifiers>, DefaultIgnore;
285
286def warn_decl_shadow :
287  Warning<"declaration shadows a %select{"
288          "local variable|"
289          "variable in %2|"
290          "static data member of %2|"
291          "field of %2}1">,
292  InGroup<Shadow>, DefaultIgnore;
293
294// C++ using declarations
295def err_using_requires_qualname : Error<
296  "using declaration requires a qualified name">;
297def err_using_typename_non_type : Error<
298  "'typename' keyword used on a non-type">;
299def err_using_dependent_value_is_type : Error<
300  "dependent using declaration resolved to type without 'typename'">;
301def err_using_decl_nested_name_specifier_is_not_class : Error<
302  "using declaration in class refers into '%0', which is not a class">;
303def err_using_decl_nested_name_specifier_is_current_class : Error<
304  "using declaration refers to its own class">;
305def err_using_decl_nested_name_specifier_is_not_base_class : Error<
306  "using declaration refers into '%0', which is not a base class of %1">;
307def err_using_decl_constructor_not_in_direct_base : Error<
308  "%0 is not a direct base of %1, cannot inherit constructors">;
309def err_using_decl_constructor_conflict : Error<
310  "cannot inherit constructor, already inherited constructor with "
311  "the same signature">;
312def note_using_decl_constructor_conflict_current_ctor : Note<
313  "conflicting constructor">;
314def note_using_decl_constructor_conflict_previous_ctor : Note<
315  "previous constructor">;
316def note_using_decl_constructor_conflict_previous_using : Note<
317  "previously inherited here">;
318def warn_using_decl_constructor_ellipsis : Warning<
319  "inheriting constructor does not inherit ellipsis">,
320  InGroup<DiagGroup<"inherited-variadic-ctor">>;
321def note_using_decl_constructor_ellipsis : Note<
322  "constructor declared with ellipsis here">;
323def err_using_decl_can_not_refer_to_class_member : Error<
324  "using declaration cannot refer to class member">;
325def note_using_decl_class_member_workaround : Note<
326  "use %select{an alias declaration|a typedef declaration|a reference}0 "
327  "instead">;
328def err_using_decl_can_not_refer_to_namespace : Error<
329  "using declaration cannot refer to namespace">;
330def err_using_decl_constructor : Error<
331  "using declaration cannot refer to a constructor">;
332def warn_cxx98_compat_using_decl_constructor : Warning<
333  "inheriting constructors are incompatible with C++98">,
334  InGroup<CXX98Compat>, DefaultIgnore;
335def err_using_decl_destructor : Error<
336  "using declaration cannot refer to a destructor">;
337def err_using_decl_template_id : Error<
338  "using declaration cannot refer to a template specialization">;
339def note_using_decl_target : Note<"target of using declaration">;
340def note_using_decl_conflict : Note<"conflicting declaration">;
341def err_using_decl_redeclaration : Error<"redeclaration of using decl">;
342def err_using_decl_conflict : Error<
343  "target of using declaration conflicts with declaration already in scope">;
344def err_using_decl_conflict_reverse : Error<
345  "declaration conflicts with target of using declaration already in scope">;
346def note_using_decl : Note<"%select{|previous }0using declaration">;
347
348def warn_access_decl_deprecated : Warning<
349  "access declarations are deprecated; use using declarations instead">,
350  InGroup<Deprecated>;
351def err_access_decl : Error<
352  "ISO C++11 does not allow access declarations; "
353  "use using declarations instead">;
354def warn_exception_spec_deprecated : Warning<
355  "dynamic exception specifications are deprecated">,
356  InGroup<Deprecated>, DefaultIgnore;
357def note_exception_spec_deprecated : Note<"use '%0' instead">;
358def warn_deprecated_copy_operation : Warning<
359  "definition of implicit copy %select{constructor|assignment operator}1 "
360  "for %0 is deprecated because it has a user-declared "
361  "%select{copy %select{assignment operator|constructor}1|destructor}2">,
362  InGroup<Deprecated>, DefaultIgnore;
363
364def warn_global_constructor : Warning<
365  "declaration requires a global constructor">,
366  InGroup<GlobalConstructors>, DefaultIgnore;
367def warn_global_destructor : Warning<
368  "declaration requires a global destructor">,
369   InGroup<GlobalConstructors>, DefaultIgnore;
370def warn_exit_time_destructor : Warning<
371  "declaration requires an exit-time destructor">,
372  InGroup<ExitTimeDestructors>, DefaultIgnore;
373
374def err_invalid_thread : Error<
375  "'%0' is only allowed on variable declarations">;
376def err_thread_non_global : Error<
377  "'%0' variables must have global storage">;
378def err_thread_unsupported : Error<
379  "thread-local storage is not supported for the current target">;
380
381def warn_maybe_falloff_nonvoid_function : Warning<
382  "control may reach end of non-void function">,
383  InGroup<ReturnType>;
384def warn_falloff_nonvoid_function : Warning<
385  "control reaches end of non-void function">,
386  InGroup<ReturnType>;
387def err_maybe_falloff_nonvoid_block : Error<
388  "control may reach end of non-void block">;
389def err_falloff_nonvoid_block : Error<
390  "control reaches end of non-void block">;
391def warn_suggest_noreturn_function : Warning<
392  "%select{function|method}0 %1 could be declared with attribute 'noreturn'">,
393  InGroup<MissingNoreturn>, DefaultIgnore;
394def warn_suggest_noreturn_block : Warning<
395  "block could be declared with attribute 'noreturn'">,
396  InGroup<MissingNoreturn>, DefaultIgnore;
397
398// Unreachable code.
399def warn_unreachable : Warning<
400  "code will never be executed">,
401  InGroup<UnreachableCode>, DefaultIgnore;
402def warn_unreachable_break : Warning<
403  "'break' will never be executed">,
404  InGroup<UnreachableCodeBreak>, DefaultIgnore;
405def warn_unreachable_return : Warning<
406  "'return' will never be executed">,
407  InGroup<UnreachableCodeReturn>, DefaultIgnore;
408def warn_unreachable_loop_increment : Warning<
409  "loop will run at most once (loop increment never executed)">,
410  InGroup<UnreachableCodeLoopIncrement>, DefaultIgnore;
411def note_unreachable_silence : Note<
412  "silence by adding parentheses to mark code as explicitly dead">;
413
414/// Built-in functions.
415def ext_implicit_lib_function_decl : ExtWarn<
416  "implicitly declaring library function '%0' with type %1">;
417def note_include_header_or_declare : Note<
418  "include the header <%0> or explicitly provide a declaration for '%1'">;
419def note_previous_builtin_declaration : Note<"%0 is a builtin with type %1">;
420def warn_implicit_decl_requires_sysheader : Warning<
421  "declaration of built-in function '%1' requires inclusion of the header <%0>">,
422  InGroup<BuiltinRequiresHeader>;
423def warn_redecl_library_builtin : Warning<
424  "incompatible redeclaration of library function %0">,
425  InGroup<DiagGroup<"incompatible-library-redeclaration">>;
426def err_builtin_definition : Error<"definition of builtin function %0">;
427def warn_builtin_unknown : Warning<"use of unknown builtin %0">,
428  InGroup<ImplicitFunctionDeclare>, DefaultError;
429def warn_dyn_class_memaccess : Warning<
430  "%select{destination for|source of|first operand of|second operand of}0 this "
431  "%1 call is a pointer to %select{|class containing a }2dynamic class %3; "
432  "vtable pointer will be %select{overwritten|copied|moved|compared}4">,
433  InGroup<DiagGroup<"dynamic-class-memaccess">>;
434def note_bad_memaccess_silence : Note<
435  "explicitly cast the pointer to silence this warning">;
436def warn_sizeof_pointer_expr_memaccess : Warning<
437  "'%0' call operates on objects of type %1 while the size is based on a "
438  "different type %2">,
439  InGroup<SizeofPointerMemaccess>;
440def warn_sizeof_pointer_expr_memaccess_note : Note<
441  "did you mean to %select{dereference the argument to 'sizeof' (and multiply "
442  "it by the number of elements)|remove the addressof in the argument to "
443  "'sizeof' (and multiply it by the number of elements)|provide an explicit "
444  "length}0?">;
445def warn_sizeof_pointer_type_memaccess : Warning<
446  "argument to 'sizeof' in %0 call is the same pointer type %1 as the "
447  "%select{destination|source}2; expected %3 or an explicit length">,
448  InGroup<SizeofPointerMemaccess>;
449def warn_strlcpycat_wrong_size : Warning<
450  "size argument in %0 call appears to be size of the source; "
451  "expected the size of the destination">,
452  InGroup<DiagGroup<"strlcpy-strlcat-size">>;
453def note_strlcpycat_wrong_size : Note<
454  "change size argument to be the size of the destination">;
455def warn_memsize_comparison : Warning<
456  "size argument in %0 call is a comparison">,
457  InGroup<DiagGroup<"memsize-comparison">>;
458def note_memsize_comparison_paren : Note<
459  "did you mean to compare the result of %0 instead?">;
460def note_memsize_comparison_cast_silence : Note<
461  "explicitly cast the argument to size_t to silence this warning">;
462
463def warn_strncat_large_size : Warning<
464  "the value of the size argument in 'strncat' is too large, might lead to a "
465  "buffer overflow">, InGroup<StrncatSize>;
466def warn_strncat_src_size : Warning<"size argument in 'strncat' call appears "
467  "to be size of the source">, InGroup<StrncatSize>;
468def warn_strncat_wrong_size : Warning<
469  "the value of the size argument to 'strncat' is wrong">, InGroup<StrncatSize>;
470def note_strncat_wrong_size : Note<
471  "change the argument to be the free space in the destination buffer minus "
472  "the terminating null byte">;
473
474def warn_assume_side_effects : Warning<
475  "the argument to %0 has side effects that will be discarded">,
476  InGroup<DiagGroup<"assume">>;
477
478def warn_memcpy_chk_overflow : Warning<
479  "%0 will always overflow destination buffer">,
480  InGroup<DiagGroup<"builtin-memcpy-chk-size">>;
481
482/// main()
483// static main() is not an error in C, just in C++.
484def warn_static_main : Warning<"'main' should not be declared static">,
485    InGroup<Main>;
486def err_static_main : Error<"'main' is not allowed to be declared static">;
487def err_inline_main : Error<"'main' is not allowed to be declared inline">;
488def ext_noreturn_main : ExtWarn<
489  "'main' is not allowed to be declared _Noreturn">, InGroup<Main>;
490def note_main_remove_noreturn : Note<"remove '_Noreturn'">;
491def err_constexpr_main : Error<
492  "'main' is not allowed to be declared constexpr">;
493def err_deleted_main : Error<"'main' is not allowed to be deleted">;
494def err_mainlike_template_decl : Error<"%0 cannot be a template">;
495def err_main_returns_nonint : Error<"'main' must return 'int'">;
496def ext_main_returns_nonint : ExtWarn<"return type of 'main' is not 'int'">,
497    InGroup<MainReturnType>;
498def note_main_change_return_type : Note<"change return type to 'int'">;
499def err_main_surplus_args : Error<"too many parameters (%0) for 'main': "
500    "must be 0, 2, or 3">;
501def warn_main_one_arg : Warning<"only one parameter on 'main' declaration">,
502    InGroup<Main>;
503def err_main_arg_wrong : Error<"%select{first|second|third|fourth}0 "
504    "parameter of 'main' (%select{argument count|argument array|environment|"
505    "platform-specific data}0) must be of type %1">;
506def ext_main_used : Extension<
507  "ISO C++ does not allow 'main' to be used by a program">, InGroup<Main>;
508
509/// parser diagnostics
510def ext_no_declarators : ExtWarn<"declaration does not declare anything">,
511  InGroup<MissingDeclarations>;
512def ext_typedef_without_a_name : ExtWarn<"typedef requires a name">,
513  InGroup<MissingDeclarations>;
514def err_typedef_not_identifier : Error<"typedef name must be an identifier">;
515def err_typedef_changes_linkage : Error<"unsupported: typedef changes linkage"
516  " of anonymous type, but linkage was already computed">;
517def note_typedef_changes_linkage : Note<"use a tag name here to establish "
518  "linkage prior to definition">;
519def err_statically_allocated_object : Error<
520  "interface type cannot be statically allocated">;
521def err_object_cannot_be_passed_returned_by_value : Error<
522  "interface type %1 cannot be %select{returned|passed}0 by value"
523  "; did you forget * in %1?">;
524def err_parameters_retval_cannot_have_fp16_type : Error<
525  "%select{parameters|function return value}0 cannot have __fp16 type; did you forget * ?">;
526def err_opencl_half_load_store : Error<
527  "%select{loading directly from|assigning directly to}0 pointer to type %1 is not allowed">;
528def err_opencl_cast_to_half : Error<"casting to type %0 is not allowed">;
529def err_opencl_half_declaration : Error<
530  "declaring variable of type %0 is not allowed">;
531def err_opencl_half_param : Error<
532  "declaring function parameter of type %0 is not allowed; did you forget * ?">;
533def err_opencl_half_return : Error<
534  "declaring function return value of type %0 is not allowed; did you forget * ?">;
535def warn_enum_value_overflow : Warning<"overflow in enumeration value">;
536def warn_pragma_options_align_reset_failed : Warning<
537  "#pragma options align=reset failed: %0">,
538  InGroup<IgnoredPragmas>;
539def err_pragma_options_align_mac68k_target_unsupported : Error<
540  "mac68k alignment pragma is not supported on this target">;
541def warn_pragma_pack_invalid_alignment : Warning<
542  "expected #pragma pack parameter to be '1', '2', '4', '8', or '16'">,
543  InGroup<IgnoredPragmas>;
544// Follow the MSVC implementation.
545def warn_pragma_pack_show : Warning<"value of #pragma pack(show) == %0">;
546def warn_pragma_pack_pop_identifer_and_alignment : Warning<
547  "specifying both a name and alignment to 'pop' is undefined">;
548def warn_pragma_pop_failed : Warning<"#pragma %0(pop, ...) failed: %1">,
549  InGroup<IgnoredPragmas>;
550def warn_cxx_ms_struct :
551  Warning<"ms_struct may not produce MSVC-compatible layouts for classes "
552          "with base classes or virtual functions">,
553  DefaultError, InGroup<IncompatibleMSStruct>;
554def err_section_conflict : Error<"%0 causes a section type conflict with %1">;
555def err_no_base_classes : Error<"invalid use of '__super', %0 has no base classes">;
556def err_invalid_super_scope : Error<"invalid use of '__super', "
557  "this keyword can only be used inside class or member function scope">;
558def err_super_in_lambda_unsupported : Error<
559  "use of '__super' inside a lambda is unsupported">;
560
561def warn_pragma_unused_undeclared_var : Warning<
562  "undeclared variable %0 used as an argument for '#pragma unused'">,
563  InGroup<IgnoredPragmas>;
564def warn_pragma_unused_expected_var_arg : Warning<
565  "only variables can be arguments to '#pragma unused'">,
566  InGroup<IgnoredPragmas>;
567def err_pragma_push_visibility_mismatch : Error<
568  "#pragma visibility push with no matching #pragma visibility pop">;
569def note_surrounding_namespace_ends_here : Note<
570  "surrounding namespace with visibility attribute ends here">;
571def err_pragma_pop_visibility_mismatch : Error<
572  "#pragma visibility pop with no matching #pragma visibility push">;
573def note_surrounding_namespace_starts_here : Note<
574  "surrounding namespace with visibility attribute starts here">;
575def err_pragma_loop_invalid_argument_type : Error<
576  "invalid argument of type %0; expected an integer type">;
577def err_pragma_loop_invalid_argument_value : Error<
578  "%select{invalid value '%0'; must be positive|value '%0' is too large}1">;
579def err_pragma_loop_compatibility : Error<
580  "%select{incompatible|duplicate}0 directives '%1' and '%2'">;
581def err_pragma_loop_precedes_nonloop : Error<
582  "expected a for, while, or do-while loop to follow '%0'">;
583
584/// Objective-C parser diagnostics
585def err_duplicate_class_def : Error<
586  "duplicate interface definition for class %0">;
587def err_undef_superclass : Error<
588  "cannot find interface declaration for %0, superclass of %1">;
589def err_forward_superclass : Error<
590  "attempting to use the forward class %0 as superclass of %1">;
591def err_no_nsconstant_string_class : Error<
592  "cannot find interface declaration for %0">;
593def err_recursive_superclass : Error<
594  "trying to recursively use %0 as superclass of %1">;
595def err_conflicting_aliasing_type : Error<"conflicting types for alias %0">;
596def warn_undef_interface : Warning<"cannot find interface declaration for %0">;
597def warn_duplicate_protocol_def : Warning<"duplicate protocol definition of %0 is ignored">;
598def err_protocol_has_circular_dependency : Error<
599  "protocol has circular dependency">;
600def err_undeclared_protocol : Error<"cannot find protocol declaration for %0">;
601def warn_undef_protocolref : Warning<"cannot find protocol definition for %0">;
602def warn_atprotocol_protocol : Warning<
603  "@protocol is using a forward protocol declaration of %0">, InGroup<AtProtocol>;
604def warn_readonly_property : Warning<
605  "attribute 'readonly' of property %0 restricts attribute "
606  "'readwrite' of property inherited from %1">,
607  InGroup<PropertyAttr>;
608
609def warn_property_attribute : Warning<
610  "'%1' attribute on property %0 does not match the property inherited from %2">,
611  InGroup<PropertyAttr>;
612def warn_property_types_are_incompatible : Warning<
613  "property type %0 is incompatible with type %1 inherited from %2">,
614  InGroup<DiagGroup<"incompatible-property-type">>;
615def warn_protocol_property_mismatch : Warning<
616  "property of type %0 was selected for synthesis">,
617  InGroup<DiagGroup<"protocol-property-synthesis-ambiguity">>;
618def err_undef_interface : Error<"cannot find interface declaration for %0">;
619def err_category_forward_interface : Error<
620  "cannot define %select{category|class extension}0 for undefined class %1">;
621def err_class_extension_after_impl : Error<
622  "cannot declare class extension for %0 after class implementation">;
623def note_implementation_declared : Note<
624  "class implementation is declared here">;
625def note_while_in_implementation : Note<
626  "detected while default synthesizing properties in class implementation">;
627def note_class_declared : Note<
628  "class is declared here">;
629def note_receiver_class_declared : Note<
630  "receiver is instance of class declared here">;
631def note_receiver_expr_here : Note<
632  "receiver expression is here">;
633def note_receiver_is_id : Note<
634  "receiver is treated with 'id' type for purpose of method lookup">;
635def note_suppressed_class_declare : Note<
636  "class with specified objc_requires_property_definitions attribute is declared here">;
637def err_objc_root_class_subclass : Error<
638  "objc_root_class attribute may only be specified on a root class declaration">;
639def warn_objc_root_class_missing : Warning<
640  "class %0 defined without specifying a base class">,
641  InGroup<ObjCRootClass>;
642def note_objc_needs_superclass : Note<
643  "add a super class to fix this problem">;
644def warn_dup_category_def : Warning<
645  "duplicate definition of category %1 on interface %0">;
646def err_conflicting_super_class : Error<"conflicting super class name %0">;
647def err_dup_implementation_class : Error<"reimplementation of class %0">;
648def err_dup_implementation_category : Error<
649  "reimplementation of category %1 for class %0">;
650def err_conflicting_ivar_type : Error<
651  "instance variable %0 has conflicting type%diff{: $ vs $|}1,2">;
652def err_duplicate_ivar_declaration : Error<
653  "instance variable is already declared">;
654def warn_on_superclass_use : Warning<
655  "class implementation may not have super class">;
656def err_conflicting_ivar_bitwidth : Error<
657  "instance variable %0 has conflicting bit-field width">;
658def err_conflicting_ivar_name : Error<
659  "conflicting instance variable names: %0 vs %1">;
660def err_inconsistent_ivar_count : Error<
661  "inconsistent number of instance variables specified">;
662def warn_undef_method_impl : Warning<"method definition for %0 not found">,
663  InGroup<DiagGroup<"incomplete-implementation">>;
664
665def warn_conflicting_overriding_ret_types : Warning<
666  "conflicting return type in "
667  "declaration of %0%diff{: $ vs $|}1,2">,
668  InGroup<OverridingMethodMismatch>, DefaultIgnore;
669
670def warn_conflicting_ret_types : Warning<
671  "conflicting return type in "
672  "implementation of %0%diff{: $ vs $|}1,2">,
673  InGroup<MismatchedReturnTypes>;
674
675def warn_conflicting_overriding_ret_type_modifiers : Warning<
676  "conflicting distributed object modifiers on return type "
677  "in declaration of %0">,
678  InGroup<OverridingMethodMismatch>, DefaultIgnore;
679
680def warn_conflicting_ret_type_modifiers : Warning<
681  "conflicting distributed object modifiers on return type "
682  "in implementation of %0">,
683  InGroup<DistributedObjectModifiers>;
684
685def warn_non_covariant_overriding_ret_types : Warning<
686  "conflicting return type in "
687  "declaration of %0: %1 vs %2">,
688  InGroup<OverridingMethodMismatch>, DefaultIgnore;
689
690def warn_non_covariant_ret_types : Warning<
691  "conflicting return type in "
692  "implementation of %0: %1 vs %2">,
693  InGroup<MethodSignatures>, DefaultIgnore;
694
695def warn_conflicting_overriding_param_types : Warning<
696  "conflicting parameter types in "
697  "declaration of %0%diff{: $ vs $|}1,2">,
698  InGroup<OverridingMethodMismatch>, DefaultIgnore;
699
700def warn_conflicting_param_types : Warning<
701  "conflicting parameter types in "
702  "implementation of %0%diff{: $ vs $|}1,2">,
703  InGroup<MismatchedParameterTypes>;
704
705def warn_conflicting_param_modifiers : Warning<
706  "conflicting distributed object modifiers on parameter type "
707  "in implementation of %0">,
708  InGroup<DistributedObjectModifiers>;
709
710def warn_conflicting_overriding_param_modifiers : Warning<
711  "conflicting distributed object modifiers on parameter type "
712  "in declaration of %0">,
713  InGroup<OverridingMethodMismatch>, DefaultIgnore;
714
715def warn_non_contravariant_overriding_param_types : Warning<
716  "conflicting parameter types in "
717  "declaration of %0: %1 vs %2">,
718  InGroup<OverridingMethodMismatch>, DefaultIgnore;
719
720def warn_non_contravariant_param_types : Warning<
721  "conflicting parameter types in "
722  "implementation of %0: %1 vs %2">,
723  InGroup<MethodSignatures>, DefaultIgnore;
724
725def warn_conflicting_overriding_variadic :Warning<
726  "conflicting variadic declaration of method and its "
727  "implementation">,
728  InGroup<OverridingMethodMismatch>, DefaultIgnore;
729
730def warn_conflicting_variadic :Warning<
731  "conflicting variadic declaration of method and its "
732  "implementation">;
733
734def warn_category_method_impl_match:Warning<
735  "category is implementing a method which will also be implemented"
736  " by its primary class">, InGroup<ObjCProtocolMethodImpl>;
737
738def warn_implements_nscopying : Warning<
739"default assign attribute on property %0 which implements "
740"NSCopying protocol is not appropriate with -fobjc-gc[-only]">;
741
742def warn_multiple_method_decl : Warning<"multiple methods named %0 found">,
743  InGroup<ObjCMultipleMethodNames>;
744def warn_strict_multiple_method_decl : Warning<
745  "multiple methods named %0 found">, InGroup<StrictSelector>, DefaultIgnore;
746def warn_accessor_property_type_mismatch : Warning<
747  "type of property %0 does not match type of accessor %1">;
748def not_conv_function_declared_at : Note<"type conversion function declared here">;
749def note_method_declared_at : Note<"method %0 declared here">;
750def note_property_attribute : Note<"property %0 is declared "
751  "%select{deprecated|unavailable|partial}1 here">;
752def err_setter_type_void : Error<"type of setter must be void">;
753def err_duplicate_method_decl : Error<"duplicate declaration of method %0">;
754def warn_duplicate_method_decl :
755  Warning<"multiple declarations of method %0 found and ignored">,
756  InGroup<MethodDuplicate>, DefaultIgnore;
757def warn_objc_cdirective_format_string :
758  Warning<"using %0 directive in %select{NSString|CFString}1 "
759          "which is being passed as a formatting argument to the formatting "
760          "%select{method|CFfunction}2">,
761  InGroup<ObjCCStringFormat>, DefaultIgnore;
762def err_objc_var_decl_inclass :
763    Error<"cannot declare variable inside @interface or @protocol">;
764def error_missing_method_context : Error<
765  "missing context for method declaration">;
766def err_objc_property_attr_mutually_exclusive : Error<
767  "property attributes '%0' and '%1' are mutually exclusive">;
768def err_objc_property_requires_object : Error<
769  "property with '%0' attribute must be of object type">;
770def warn_objc_property_no_assignment_attribute : Warning<
771  "no 'assign', 'retain', or 'copy' attribute is specified - "
772  "'assign' is assumed">,
773  InGroup<ObjCPropertyNoAttribute>;
774def warn_objc_isa_use : Warning<
775  "direct access to Objective-C's isa is deprecated in favor of "
776  "object_getClass()">, InGroup<DeprecatedObjCIsaUsage>;
777def warn_objc_isa_assign : Warning<
778  "assignment to Objective-C's isa is deprecated in favor of "
779  "object_setClass()">, InGroup<DeprecatedObjCIsaUsage>;
780def warn_objc_pointer_masking : Warning<
781  "bitmasking for introspection of Objective-C object pointers is strongly "
782  "discouraged">,
783  InGroup<ObjCPointerIntrospect>;
784def warn_objc_pointer_masking_performSelector : Warning<warn_objc_pointer_masking.Text>,
785  InGroup<ObjCPointerIntrospectPerformSelector>;
786def warn_objc_property_default_assign_on_object : Warning<
787  "default property attribute 'assign' not appropriate for non-GC object">,
788  InGroup<ObjCPropertyNoAttribute>;
789def warn_property_attr_mismatch : Warning<
790  "property attribute in class extension does not match the primary class">,
791  InGroup<PropertyAttr>;
792def warn_property_implicitly_mismatched : Warning <
793  "primary property declaration is implicitly strong while redeclaration "
794  "in class extension is weak">,
795  InGroup<DiagGroup<"objc-property-implicit-mismatch">>;
796def warn_objc_property_copy_missing_on_block : Warning<
797    "'copy' attribute must be specified for the block property "
798    "when -fobjc-gc-only is specified">;
799def warn_objc_property_retain_of_block : Warning<
800    "retain'ed block property does not copy the block "
801    "- use copy attribute instead">, InGroup<ObjCRetainBlockProperty>;
802def warn_objc_readonly_property_has_setter : Warning<
803    "setter cannot be specified for a readonly property">,
804    InGroup<ObjCReadonlyPropertyHasSetter>;
805def warn_atomic_property_rule : Warning<
806  "writable atomic property %0 cannot pair a synthesized %select{getter|setter}1 "
807  "with a user defined %select{getter|setter}2">,
808  InGroup<DiagGroup<"atomic-property-with-user-defined-accessor">>;
809def note_atomic_property_fixup_suggest : Note<"setter and getter must both be "
810  "synthesized, or both be user defined,or the property must be nonatomic">;
811def err_atomic_property_nontrivial_assign_op : Error<
812  "atomic property of reference type %0 cannot have non-trivial assignment"
813  " operator">;
814def warn_cocoa_naming_owned_rule : Warning<
815  "property follows Cocoa naming"
816  " convention for returning 'owned' objects">,
817  InGroup<DiagGroup<"objc-property-matches-cocoa-ownership-rule">>;
818def err_cocoa_naming_owned_rule : Error<
819  "property follows Cocoa naming"
820  " convention for returning 'owned' objects">;
821def note_cocoa_naming_declare_family : Note<
822  "explicitly declare getter %objcinstance0 with '%1' to return an 'unowned' "
823  "object">;
824def warn_auto_synthesizing_protocol_property :Warning<
825  "auto property synthesis will not synthesize property %0"
826  " declared in protocol %1">,
827  InGroup<DiagGroup<"objc-protocol-property-synthesis">>;
828def warn_no_autosynthesis_shared_ivar_property : Warning <
829  "auto property synthesis will not synthesize property "
830  "%0 because it cannot share an ivar with another synthesized property">,
831  InGroup<ObjCNoPropertyAutoSynthesis>;
832def warn_no_autosynthesis_property : Warning<
833  "auto property synthesis will not synthesize property "
834  "%0 because it is 'readwrite' but it will be synthesized 'readonly' "
835  "via another property">,
836  InGroup<ObjCNoPropertyAutoSynthesis>;
837def warn_autosynthesis_property_in_superclass : Warning<
838  "auto property synthesis will not synthesize property "
839  "%0; it will be implemented by its superclass, use @dynamic to "
840  "acknowledge intention">,
841  InGroup<ObjCNoPropertyAutoSynthesis>;
842def warn_autosynthesis_property_ivar_match :Warning<
843  "autosynthesized property %0 will use %select{|synthesized}1 instance variable "
844  "%2, not existing instance variable %3">,
845  InGroup<DiagGroup<"objc-autosynthesis-property-ivar-name-match">>;
846def warn_missing_explicit_synthesis : Warning <
847  "auto property synthesis is synthesizing property not explicitly synthesized">,
848  InGroup<DiagGroup<"objc-missing-property-synthesis">>, DefaultIgnore;
849def warn_property_getter_owning_mismatch : Warning<
850  "property declared as returning non-retained objects"
851  "; getter returning retained objects">;
852def error_property_setter_ambiguous_use : Error<
853  "synthesized properties %0 and %1 both claim setter %2 -"
854  " use of this setter will cause unexpected behavior">;
855def warn_default_atomic_custom_getter_setter : Warning<
856  "atomic by default property %0 has a user defined %select{getter|setter}1 "
857  "(property should be marked 'atomic' if this is intended)">,
858  InGroup<CustomAtomic>, DefaultIgnore;
859def err_use_continuation_class : Error<
860  "illegal redeclaration of property in class extension %0"
861  " (attribute must be 'readwrite', while its primary must be 'readonly')">;
862def err_type_mismatch_continuation_class : Error<
863  "type of property %0 in class extension does not match "
864  "property type in primary class">;
865def err_use_continuation_class_redeclaration_readwrite : Error<
866  "illegal redeclaration of 'readwrite' property in class extension %0"
867  " (perhaps you intended this to be a 'readwrite' redeclaration of a "
868  "'readonly' public property?)">;
869def err_continuation_class : Error<"class extension has no primary class">;
870def err_property_type : Error<"property cannot have array or function type %0">;
871def error_missing_property_context : Error<
872  "missing context for property implementation declaration">;
873def error_bad_property_decl : Error<
874  "property implementation must have its declaration in interface %0">;
875def error_category_property : Error<
876  "property declared in category %0 cannot be implemented in "
877  "class implementation">;
878def note_property_declare : Note<
879  "property declared here">;
880def note_protocol_property_declare : Note<
881  "it could also be property of type %0 declared here">;
882def note_property_synthesize : Note<
883  "property synthesized here">;
884def error_synthesize_category_decl : Error<
885  "@synthesize not allowed in a category's implementation">;
886def error_reference_property : Error<
887  "property of reference type is not supported">;
888def error_missing_property_interface : Error<
889  "property implementation in a category with no category declaration">;
890def error_bad_category_property_decl : Error<
891  "property implementation must have its declaration in the category %0">;
892def error_bad_property_context : Error<
893  "property implementation must be in a class or category implementation">;
894def error_missing_property_ivar_decl : Error<
895  "synthesized property %0 must either be named the same as a compatible"
896  " instance variable or must explicitly name an instance variable">;
897def error_synthesize_weak_non_arc_or_gc : Error<
898  "@synthesize of 'weak' property is only allowed in ARC or GC mode">;
899def err_arc_perform_selector_retains : Error<
900  "performSelector names a selector which retains the object">;
901def warn_arc_perform_selector_leaks : Warning<
902  "performSelector may cause a leak because its selector is unknown">,
903  InGroup<DiagGroup<"arc-performSelector-leaks">>;
904def warn_dealloc_in_category : Warning<
905"-dealloc is being overridden in a category">,
906InGroup<DeallocInCategory>;
907def err_gc_weak_property_strong_type : Error<
908  "weak attribute declared on a __strong type property in GC mode">;
909def warn_receiver_is_weak : Warning <
910  "weak %select{receiver|property|implicit property}0 may be "
911  "unpredictably set to nil">,
912  InGroup<DiagGroup<"receiver-is-weak">>, DefaultIgnore;
913def warn_arc_repeated_use_of_weak : Warning <
914  "weak %select{variable|property|implicit property|instance variable}0 %1 is "
915  "accessed multiple times in this %select{function|method|block|lambda}2 "
916  "but may be unpredictably set to nil; assign to a strong variable to keep "
917  "the object alive">,
918  InGroup<ARCRepeatedUseOfWeak>, DefaultIgnore;
919def warn_implicitly_retains_self : Warning <
920  "block implicitly retains 'self'; explicitly mention 'self' to indicate "
921  "this is intended behavior">,
922  InGroup<DiagGroup<"implicit-retain-self">>, DefaultIgnore;
923def warn_arc_possible_repeated_use_of_weak : Warning <
924  "weak %select{variable|property|implicit property|instance variable}0 %1 may "
925  "be accessed multiple times in this %select{function|method|block|lambda}2 "
926  "and may be unpredictably set to nil; assign to a strong variable to keep "
927  "the object alive">,
928  InGroup<ARCRepeatedUseOfWeakMaybe>, DefaultIgnore;
929def note_arc_weak_also_accessed_here : Note<
930  "also accessed here">;
931def err_incomplete_synthesized_property : Error<
932  "cannot synthesize property %0 with incomplete type %1">;
933
934def error_property_ivar_type : Error<
935  "type of property %0 (%1) does not match type of instance variable %2 (%3)">;
936def error_property_accessor_type : Error<
937  "type of property %0 (%1) does not match type of accessor %2 (%3)">;
938def error_ivar_in_superclass_use : Error<
939  "property %0 attempting to use instance variable %1 declared in super class %2">;
940def error_weak_property : Error<
941  "existing instance variable %1 for __weak property %0 must be __weak">;
942def error_strong_property : Error<
943  "existing instance variable %1 for strong property %0 may not be __weak">;
944def error_dynamic_property_ivar_decl : Error<
945  "dynamic property cannot have instance variable specification">;
946def error_duplicate_ivar_use : Error<
947  "synthesized properties %0 and %1 both claim instance variable %2">;
948def error_property_implemented : Error<"property %0 is already implemented">;
949def warn_objc_missing_super_call : Warning<
950  "method possibly missing a [super %0] call">,
951  InGroup<ObjCMissingSuperCalls>;
952def error_dealloc_bad_result_type : Error<
953  "dealloc return type must be correctly specified as 'void' under ARC, "
954  "instead of %0">;
955def warn_undeclared_selector : Warning<
956  "undeclared selector %0">, InGroup<UndeclaredSelector>, DefaultIgnore;
957def warn_undeclared_selector_with_typo : Warning<
958  "undeclared selector %0; did you mean %1?">,
959  InGroup<UndeclaredSelector>, DefaultIgnore;
960def warn_implicit_atomic_property : Warning<
961  "property is assumed atomic by default">, InGroup<ImplicitAtomic>, DefaultIgnore;
962def note_auto_readonly_iboutlet_fixup_suggest : Note<
963  "property should be changed to be readwrite">;
964def warn_auto_readonly_iboutlet_property : Warning<
965  "readonly IBOutlet property %0 when auto-synthesized may "
966  "not work correctly with 'nib' loader">,
967  InGroup<DiagGroup<"readonly-iboutlet-property">>;
968def warn_auto_implicit_atomic_property : Warning<
969  "property is assumed atomic when auto-synthesizing the property">,
970  InGroup<ImplicitAtomic>, DefaultIgnore;
971def warn_unimplemented_selector:  Warning<
972  "no method with selector %0 is implemented in this translation unit">,
973  InGroup<Selector>, DefaultIgnore;
974def warn_unimplemented_protocol_method : Warning<
975  "method %0 in protocol %1 not implemented">, InGroup<Protocol>;
976def warning_multiple_selectors: Warning<
977  "several methods with selector %0 of mismatched types are found "
978  "for the @selector expression">,
979  InGroup<SelectorTypeMismatch>, DefaultIgnore;
980// C++ declarations
981def err_static_assert_expression_is_not_constant : Error<
982  "static_assert expression is not an integral constant expression">;
983def err_static_assert_failed : Error<"static_assert failed%select{ %1|}0">;
984def ext_static_assert_no_message : ExtWarn<
985  "static_assert with no message is a C++1z extension">, InGroup<CXX1z>;
986def warn_cxx14_compat_static_assert_no_message : Warning<
987  "static_assert with no message is incompatible with C++ standards before C++1z">,
988  DefaultIgnore, InGroup<CXXPre1zCompat>;
989
990def warn_inline_namespace_reopened_noninline : Warning<
991  "inline namespace cannot be reopened as a non-inline namespace">;
992def err_inline_namespace_mismatch : Error<
993  "%select{|non-}0inline namespace "
994  "cannot be reopened as %select{non-|}0inline">;
995
996def err_unexpected_friend : Error<
997  "friends can only be classes or functions">;
998def ext_enum_friend : ExtWarn<
999  "befriending enumeration type %0 is a C++11 extension">, InGroup<CXX11>;
1000def warn_cxx98_compat_enum_friend : Warning<
1001  "befriending enumeration type %0 is incompatible with C++98">,
1002  InGroup<CXX98Compat>, DefaultIgnore;
1003def ext_nonclass_type_friend : ExtWarn<
1004  "non-class friend type %0 is a C++11 extension">, InGroup<CXX11>;
1005def warn_cxx98_compat_nonclass_type_friend : Warning<
1006  "non-class friend type %0 is incompatible with C++98">,
1007  InGroup<CXX98Compat>, DefaultIgnore;
1008def err_friend_is_member : Error<
1009  "friends cannot be members of the declaring class">;
1010def warn_cxx98_compat_friend_is_member : Warning<
1011  "friend declaration naming a member of the declaring class is incompatible "
1012  "with C++98">, InGroup<CXX98Compat>, DefaultIgnore;
1013def ext_unelaborated_friend_type : ExtWarn<
1014  "unelaborated friend declaration is a C++11 extension; specify "
1015  "'%select{struct|interface|union|class|enum}0' to befriend %1">,
1016  InGroup<CXX11>;
1017def warn_cxx98_compat_unelaborated_friend_type : Warning<
1018  "befriending %1 without '%select{struct|interface|union|class|enum}0' "
1019  "keyword is incompatible with C++98">, InGroup<CXX98Compat>, DefaultIgnore;
1020def err_qualified_friend_not_found : Error<
1021  "no function named %0 with type %1 was found in the specified scope">;
1022def err_introducing_special_friend : Error<
1023  "must use a qualified name when declaring a %select{constructor|"
1024  "destructor|conversion operator}0 as a friend">;
1025def err_tagless_friend_type_template : Error<
1026  "friend type templates must use an elaborated type">;
1027def err_no_matching_local_friend : Error<
1028  "no matching function found in local scope">;
1029def err_no_matching_local_friend_suggest : Error<
1030  "no matching function %0 found in local scope; did you mean %3?">;
1031def err_partial_specialization_friend : Error<
1032  "partial specialization cannot be declared as a friend">;
1033def err_qualified_friend_def : Error<
1034  "friend function definition cannot be qualified with '%0'">;
1035def err_friend_def_in_local_class : Error<
1036  "friend function cannot be defined in a local class">;
1037def err_friend_not_first_in_declaration : Error<
1038  "'friend' must appear first in a non-function declaration">;
1039def err_using_decl_friend : Error<
1040  "cannot befriend target of using declaration">;
1041def warn_template_qualified_friend_unsupported : Warning<
1042  "dependent nested name specifier '%0' for friend class declaration is "
1043  "not supported; turning off access control for %1">,
1044  InGroup<UnsupportedFriend>;
1045def warn_template_qualified_friend_ignored : Warning<
1046  "dependent nested name specifier '%0' for friend template declaration is "
1047  "not supported; ignoring this friend declaration">,
1048  InGroup<UnsupportedFriend>;
1049def ext_friend_tag_redecl_outside_namespace : ExtWarn<
1050  "unqualified friend declaration referring to type outside of the nearest "
1051  "enclosing namespace is a Microsoft extension; add a nested name specifier">,
1052  InGroup<Microsoft>;
1053
1054def err_invalid_member_in_interface : Error<
1055  "%select{data member |non-public member function |static member function |"
1056          "user-declared constructor|user-declared destructor|operator |"
1057          "nested class }0%1 is not permitted within an interface type">;
1058def err_invalid_base_in_interface : Error<
1059  "interface type cannot inherit from "
1060  "%select{'struct|non-public 'interface|'class}0 %1'">;
1061
1062def err_abstract_type_in_decl : Error<
1063  "%select{return|parameter|variable|field|instance variable|"
1064  "synthesized instance variable}0 type %1 is an abstract class">;
1065def err_allocation_of_abstract_type : Error<
1066  "allocating an object of abstract class type %0">;
1067def err_throw_abstract_type : Error<
1068  "cannot throw an object of abstract type %0">;
1069def err_array_of_abstract_type : Error<"array of abstract class type %0">;
1070def err_capture_of_abstract_type : Error<
1071  "by-copy capture of value of abstract type %0">;
1072def err_capture_of_incomplete_type : Error<
1073  "by-copy capture of variable %0 with incomplete type %1">;
1074def err_capture_default_non_local : Error<
1075  "non-local lambda expression cannot have a capture-default">;
1076
1077def err_multiple_final_overriders : Error<
1078  "virtual function %q0 has more than one final overrider in %1">;
1079def note_final_overrider : Note<"final overrider of %q0 in %1">;
1080
1081def err_type_defined_in_type_specifier : Error<
1082  "%0 cannot be defined in a type specifier">;
1083def err_type_defined_in_result_type : Error<
1084  "%0 cannot be defined in the result type of a function">;
1085def err_type_defined_in_param_type : Error<
1086  "%0 cannot be defined in a parameter type">;
1087def err_type_defined_in_alias_template : Error<
1088  "%0 cannot be defined in a type alias template">;
1089
1090def note_pure_virtual_function : Note<
1091  "unimplemented pure virtual method %0 in %1">;
1092
1093def err_deleted_decl_not_first : Error<
1094  "deleted definition must be first declaration">;
1095
1096def err_deleted_override : Error<
1097  "deleted function %0 cannot override a non-deleted function">;
1098
1099def err_non_deleted_override : Error<
1100  "non-deleted function %0 cannot override a deleted function">;
1101
1102def warn_weak_vtable : Warning<
1103  "%0 has no out-of-line virtual method definitions; its vtable will be "
1104  "emitted in every translation unit">,
1105  InGroup<DiagGroup<"weak-vtables">>, DefaultIgnore;
1106def warn_weak_template_vtable : Warning<
1107  "explicit template instantiation %0 will emit a vtable in every "
1108  "translation unit">,
1109  InGroup<DiagGroup<"weak-template-vtables">>, DefaultIgnore;
1110
1111def ext_using_undefined_std : ExtWarn<
1112  "using directive refers to implicitly-defined namespace 'std'">;
1113
1114// C++ exception specifications
1115def err_exception_spec_in_typedef : Error<
1116  "exception specifications are not allowed in %select{typedefs|type aliases}0">;
1117def err_distant_exception_spec : Error<
1118  "exception specifications are not allowed beyond a single level "
1119  "of indirection">;
1120def err_incomplete_in_exception_spec : Error<
1121  "%select{|pointer to |reference to }0incomplete type %1 is not allowed "
1122  "in exception specification">;
1123def err_rref_in_exception_spec : Error<
1124  "rvalue reference type %0 is not allowed in exception specification">;
1125def err_mismatched_exception_spec : Error<
1126  "exception specification in declaration does not match previous declaration">;
1127def ext_mismatched_exception_spec : ExtWarn<
1128  "exception specification in declaration does not match previous declaration">,
1129  InGroup<Microsoft>;
1130def err_override_exception_spec : Error<
1131  "exception specification of overriding function is more lax than "
1132  "base version">;
1133def ext_override_exception_spec : ExtWarn<
1134  "exception specification of overriding function is more lax than "
1135  "base version">, InGroup<Microsoft>;
1136def err_incompatible_exception_specs : Error<
1137  "target exception specification is not superset of source">;
1138def err_deep_exception_specs_differ : Error<
1139  "exception specifications of %select{return|argument}0 types differ">;
1140def warn_missing_exception_specification : Warning<
1141  "%0 is missing exception specification '%1'">;
1142def err_noexcept_needs_constant_expression : Error<
1143  "argument to noexcept specifier must be a constant expression">;
1144def err_exception_spec_not_parsed : Error<
1145  "exception specification is not available until end of class definition">;
1146
1147// C++ access checking
1148def err_class_redeclared_with_different_access : Error<
1149  "%0 redeclared with '%1' access">;
1150def err_access : Error<
1151  "%1 is a %select{private|protected}0 member of %3">, AccessControl;
1152def ext_ms_using_declaration_inaccessible : ExtWarn<
1153  "using declaration referring to inaccessible member '%0' (which refers "
1154  "to accessible member '%1') is a Microsoft compatibility extension">,
1155    AccessControl, InGroup<Microsoft>;
1156def err_access_ctor : Error<
1157  "calling a %select{private|protected}0 constructor of class %2">,
1158  AccessControl;
1159def ext_rvalue_to_reference_access_ctor : Extension<
1160  "C++98 requires an accessible copy constructor for class %2 when binding "
1161  "a reference to a temporary; was %select{private|protected}0">,
1162  AccessControl, InGroup<BindToTemporaryCopy>;
1163def err_access_base_ctor : Error<
1164  // The ERRORs represent other special members that aren't constructors, in
1165  // hopes that someone will bother noticing and reporting if they appear
1166  "%select{base class|inherited virtual base class}0 %1 has %select{private|"
1167  "protected}3 %select{default |copy |move |*ERROR* |*ERROR* "
1168  "|*ERROR*|}2constructor">, AccessControl;
1169def err_access_field_ctor : Error<
1170  // The ERRORs represent other special members that aren't constructors, in
1171  // hopes that someone will bother noticing and reporting if they appear
1172  "field of type %0 has %select{private|protected}2 "
1173  "%select{default |copy |move |*ERROR* |*ERROR* |*ERROR* |}1constructor">,
1174  AccessControl;
1175def err_access_friend_function : Error<
1176  "friend function %1 is a %select{private|protected}0 member of %3">,
1177  AccessControl;
1178
1179def err_access_dtor : Error<
1180  "calling a %select{private|protected}1 destructor of class %0">,
1181  AccessControl;
1182def err_access_dtor_base :
1183    Error<"base class %0 has %select{private|protected}1 destructor">,
1184    AccessControl;
1185def err_access_dtor_vbase :
1186    Error<"inherited virtual base class %1 has "
1187    "%select{private|protected}2 destructor">,
1188    AccessControl;
1189def err_access_dtor_temp :
1190    Error<"temporary of type %0 has %select{private|protected}1 destructor">,
1191    AccessControl;
1192def err_access_dtor_exception :
1193    Error<"exception object of type %0 has %select{private|protected}1 "
1194          "destructor">, AccessControl;
1195def err_access_dtor_field :
1196    Error<"field of type %1 has %select{private|protected}2 destructor">,
1197    AccessControl;
1198def err_access_dtor_var :
1199    Error<"variable of type %1 has %select{private|protected}2 destructor">,
1200    AccessControl;
1201def err_access_dtor_ivar :
1202    Error<"instance variable of type %0 has %select{private|protected}1 "
1203          "destructor">,
1204    AccessControl;
1205def note_previous_access_declaration : Note<
1206  "previously declared '%1' here">;
1207def note_access_natural : Note<
1208  "%select{|implicitly }1declared %select{private|protected}0 here">;
1209def note_access_constrained_by_path : Note<
1210  "constrained by %select{|implicitly }1%select{private|protected}0"
1211  " inheritance here">;
1212def note_access_protected_restricted_noobject : Note<
1213  "must name member using the type of the current context %0">;
1214def note_access_protected_restricted_ctordtor : Note<
1215  "protected %select{constructor|destructor}0 can only be used to "
1216  "%select{construct|destroy}0 a base class subobject">;
1217def note_access_protected_restricted_object : Note<
1218  "can only access this member on an object of type %0">;
1219def warn_cxx98_compat_sfinae_access_control : Warning<
1220  "substitution failure due to access control is incompatible with C++98">,
1221  InGroup<CXX98Compat>, DefaultIgnore, NoSFINAE;
1222
1223// C++ name lookup
1224def err_incomplete_nested_name_spec : Error<
1225  "incomplete type %0 named in nested name specifier">;
1226def err_dependent_nested_name_spec : Error<
1227  "nested name specifier for a declaration cannot depend on a template "
1228  "parameter">;
1229def err_nested_name_member_ref_lookup_ambiguous : Error<
1230  "lookup of %0 in member access expression is ambiguous">;
1231def ext_nested_name_member_ref_lookup_ambiguous : ExtWarn<
1232  "lookup of %0 in member access expression is ambiguous; using member of %1">,
1233  InGroup<AmbigMemberTemplate>;
1234def note_ambig_member_ref_object_type : Note<
1235  "lookup in the object type %0 refers here">;
1236def note_ambig_member_ref_scope : Note<
1237  "lookup from the current scope refers here">;
1238def err_qualified_member_nonclass : Error<
1239  "qualified member access refers to a member in %0">;
1240def err_incomplete_member_access : Error<
1241  "member access into incomplete type %0">;
1242def err_incomplete_type : Error<
1243  "incomplete type %0 where a complete type is required">;
1244def warn_cxx98_compat_enum_nested_name_spec : Warning<
1245  "enumeration type in nested name specifier is incompatible with C++98">,
1246  InGroup<CXX98Compat>, DefaultIgnore;
1247def err_nested_name_spec_is_not_class : Error<
1248  "%0 cannot appear before '::' because it is not a class"
1249  "%select{ or namespace|, namespace, or enumeration}1; did you mean ':'?">;
1250def ext_nested_name_spec_is_enum : ExtWarn<
1251  "use of enumeration in a nested name specifier is a C++11 extension">,
1252  InGroup<CXX11>;
1253
1254// C++ class members
1255def err_storageclass_invalid_for_member : Error<
1256  "storage class specified for a member declaration">;
1257def err_mutable_function : Error<"'mutable' cannot be applied to functions">;
1258def err_mutable_reference : Error<"'mutable' cannot be applied to references">;
1259def ext_mutable_reference : ExtWarn<
1260  "'mutable' on a reference type is a Microsoft extension">,
1261  InGroup<Microsoft>;
1262def err_mutable_const : Error<"'mutable' and 'const' cannot be mixed">;
1263def err_mutable_nonmember : Error<
1264  "'mutable' can only be applied to member variables">;
1265def err_virtual_non_function : Error<
1266  "'virtual' can only appear on non-static member functions">;
1267def err_virtual_out_of_class : Error<
1268  "'virtual' can only be specified inside the class definition">;
1269def err_virtual_member_function_template : Error<
1270  "'virtual' cannot be specified on member function templates">;
1271def err_static_overrides_virtual : Error<
1272  "'static' member function %0 overrides a virtual function in a base class">;
1273def err_explicit_non_function : Error<
1274  "'explicit' can only appear on non-static member functions">;
1275def err_explicit_out_of_class : Error<
1276  "'explicit' can only be specified inside the class definition">;
1277def err_explicit_non_ctor_or_conv_function : Error<
1278  "'explicit' can only be applied to a constructor or conversion function">;
1279def err_static_not_bitfield : Error<"static member %0 cannot be a bit-field">;
1280def err_static_out_of_line : Error<
1281  "'static' can only be specified inside the class definition">;
1282def err_storage_class_for_static_member : Error<
1283  "static data member definition cannot specify a storage class">;
1284def err_typedef_not_bitfield : Error<"typedef member %0 cannot be a bit-field">;
1285def err_not_integral_type_bitfield : Error<
1286  "bit-field %0 has non-integral type %1">;
1287def err_not_integral_type_anon_bitfield : Error<
1288  "anonymous bit-field has non-integral type %0">;
1289def err_member_function_initialization : Error<
1290  "initializer on function does not look like a pure-specifier">;
1291def err_non_virtual_pure : Error<
1292  "%0 is not virtual and cannot be declared pure">;
1293def ext_pure_function_definition : ExtWarn<
1294  "function definition with pure-specifier is a Microsoft extension">,
1295  InGroup<Microsoft>;
1296def err_implicit_object_parameter_init : Error<
1297  "cannot initialize object parameter of type %0 with an expression "
1298  "of type %1">;
1299def err_qualified_member_of_unrelated : Error<
1300  "%q0 is not a member of class %1">;
1301
1302def warn_call_to_pure_virtual_member_function_from_ctor_dtor : Warning<
1303  "call to pure virtual member function %0; overrides of %0 in subclasses are "
1304  "not available in the %select{constructor|destructor}1 of %2">;
1305
1306def note_member_declared_at : Note<"member is declared here">;
1307def note_ivar_decl : Note<"instance variable is declared here">;
1308def note_bitfield_decl : Note<"bit-field is declared here">;
1309def note_implicit_param_decl : Note<"%0 is an implicit parameter">;
1310def note_member_synthesized_at : Note<
1311  "implicit %select{default constructor|copy constructor|move constructor|copy "
1312  "assignment operator|move assignment operator|destructor}0 for %1 first "
1313  "required here">;
1314def note_inhctor_synthesized_at : Note<
1315  "inheriting constructor for %0 first required here">;
1316def err_missing_default_ctor : Error<
1317  "%select{|implicit default |inheriting }0constructor for %1 must explicitly "
1318  "initialize the %select{base class|member}2 %3 which does not have a default "
1319  "constructor">;
1320def note_due_to_dllexported_class : Note<
1321  "due to '%0' being dllexported%select{|; try compiling in C++11 mode}1">;
1322
1323def err_illegal_union_or_anon_struct_member : Error<
1324  "%select{anonymous struct|union}0 member %1 has a non-trivial "
1325  "%select{constructor|copy constructor|move constructor|copy assignment "
1326  "operator|move assignment operator|destructor}2">;
1327def warn_cxx98_compat_nontrivial_union_or_anon_struct_member : Warning<
1328  "%select{anonymous struct|union}0 member %1 with a non-trivial "
1329  "%select{constructor|copy constructor|move constructor|copy assignment "
1330  "operator|move assignment operator|destructor}2 is incompatible with C++98">,
1331  InGroup<CXX98Compat>, DefaultIgnore;
1332
1333def note_nontrivial_virtual_dtor : Note<
1334  "destructor for %0 is not trivial because it is virtual">;
1335def note_nontrivial_has_virtual : Note<
1336  "because type %0 has a virtual %select{member function|base class}1">;
1337def note_nontrivial_no_def_ctor : Note<
1338  "because %select{base class of |field of |}0type %1 has no "
1339  "default constructor">;
1340def note_user_declared_ctor : Note<
1341  "implicit default constructor suppressed by user-declared constructor">;
1342def note_nontrivial_no_copy : Note<
1343  "because no %select{<<ERROR>>|constructor|constructor|assignment operator|"
1344  "assignment operator|<<ERROR>>}2 can be used to "
1345  "%select{<<ERROR>>|copy|move|copy|move|<<ERROR>>}2 "
1346  "%select{base class|field|an object}0 of type %3">;
1347def note_nontrivial_user_provided : Note<
1348  "because %select{base class of |field of |}0type %1 has a user-provided "
1349  "%select{default constructor|copy constructor|move constructor|"
1350  "copy assignment operator|move assignment operator|destructor}2">;
1351def note_nontrivial_in_class_init : Note<
1352  "because field %0 has an initializer">;
1353def note_nontrivial_param_type : Note<
1354  "because its parameter is %diff{of type $, not $|of the wrong type}2,3">;
1355def note_nontrivial_default_arg : Note<"because it has a default argument">;
1356def note_nontrivial_variadic : Note<"because it is a variadic function">;
1357def note_nontrivial_subobject : Note<
1358  "because the function selected to %select{construct|copy|move|copy|move|"
1359  "destroy}2 %select{base class|field}0 of type %1 is not trivial">;
1360def note_nontrivial_objc_ownership : Note<
1361  "because type %0 has a member with %select{no|no|__strong|__weak|"
1362  "__autoreleasing}1 ownership">;
1363
1364def err_static_data_member_not_allowed_in_anon_struct : Error<
1365  "static data member %0 not allowed in anonymous struct">;
1366def ext_static_data_member_in_union : ExtWarn<
1367  "static data member %0 in union is a C++11 extension">, InGroup<CXX11>;
1368def warn_cxx98_compat_static_data_member_in_union : Warning<
1369  "static data member %0 in union is incompatible with C++98">,
1370  InGroup<CXX98Compat>, DefaultIgnore;
1371def ext_union_member_of_reference_type : ExtWarn<
1372  "union member %0 has reference type %1, which is a Microsoft extension">,
1373  InGroup<Microsoft>;
1374def err_union_member_of_reference_type : Error<
1375  "union member %0 has reference type %1">;
1376def ext_anonymous_struct_union_qualified : Extension<
1377  "anonymous %select{struct|union}0 cannot be '%1'">;
1378def err_different_return_type_for_overriding_virtual_function : Error<
1379  "virtual function %0 has a different return type "
1380  "%diff{($) than the function it overrides (which has return type $)|"
1381  "than the function it overrides}1,2">;
1382def note_overridden_virtual_function : Note<
1383  "overridden virtual function is here">;
1384def err_conflicting_overriding_cc_attributes : Error<
1385  "virtual function %0 has different calling convention attributes "
1386  "%diff{($) than the function it overrides (which has calling convention $)|"
1387  "than the function it overrides}1,2">;
1388
1389def err_covariant_return_inaccessible_base : Error<
1390  "invalid covariant return for virtual function: %1 is a "
1391  "%select{private|protected}2 base class of %0">, AccessControl;
1392def err_covariant_return_ambiguous_derived_to_base_conv : Error<
1393  "return type of virtual function %3 is not covariant with the return type of "
1394  "the function it overrides (ambiguous conversion from derived class "
1395  "%0 to base class %1:%2)">;
1396def err_covariant_return_not_derived : Error<
1397  "return type of virtual function %0 is not covariant with the return type of "
1398  "the function it overrides (%1 is not derived from %2)">;
1399def err_covariant_return_incomplete : Error<
1400  "return type of virtual function %0 is not covariant with the return type of "
1401  "the function it overrides (%1 is incomplete)">;
1402def err_covariant_return_type_different_qualifications : Error<
1403  "return type of virtual function %0 is not covariant with the return type of "
1404  "the function it overrides (%1 has different qualifiers than %2)">;
1405def err_covariant_return_type_class_type_more_qualified : Error<
1406  "return type of virtual function %0 is not covariant with the return type of "
1407  "the function it overrides (class type %1 is more qualified than class "
1408  "type %2">;
1409
1410// C++ constructors
1411def err_constructor_cannot_be : Error<"constructor cannot be declared '%0'">;
1412def err_invalid_qualified_constructor : Error<
1413  "'%0' qualifier is not allowed on a constructor">;
1414def err_ref_qualifier_constructor : Error<
1415  "ref-qualifier '%select{&&|&}0' is not allowed on a constructor">;
1416
1417def err_constructor_return_type : Error<
1418  "constructor cannot have a return type">;
1419def err_constructor_redeclared : Error<"constructor cannot be redeclared">;
1420def err_constructor_byvalue_arg : Error<
1421  "copy constructor must pass its first argument by reference">;
1422def warn_no_constructor_for_refconst : Warning<
1423  "%select{struct|interface|union|class|enum}0 %1 does not declare any "
1424  "constructor to initialize its non-modifiable members">;
1425def note_refconst_member_not_initialized : Note<
1426  "%select{const|reference}0 member %1 will never be initialized">;
1427def ext_ms_explicit_constructor_call : ExtWarn<
1428  "explicit constructor calls are a Microsoft extension">, InGroup<Microsoft>;
1429
1430// C++ destructors
1431def err_destructor_not_member : Error<
1432  "destructor must be a non-static member function">;
1433def err_destructor_cannot_be : Error<"destructor cannot be declared '%0'">;
1434def err_invalid_qualified_destructor : Error<
1435  "'%0' qualifier is not allowed on a destructor">;
1436def err_ref_qualifier_destructor : Error<
1437  "ref-qualifier '%select{&&|&}0' is not allowed on a destructor">;
1438def err_destructor_return_type : Error<"destructor cannot have a return type">;
1439def err_destructor_redeclared : Error<"destructor cannot be redeclared">;
1440def err_destructor_with_params : Error<"destructor cannot have any parameters">;
1441def err_destructor_variadic : Error<"destructor cannot be variadic">;
1442def err_destructor_typedef_name : Error<
1443  "destructor cannot be declared using a %select{typedef|type alias}1 %0 of the class name">;
1444def err_destructor_name : Error<
1445  "expected the class name after '~' to name the enclosing class">;
1446def err_destructor_class_name : Error<
1447  "expected the class name after '~' to name a destructor">;
1448def err_ident_in_dtor_not_a_type : Error<
1449  "identifier %0 in object destruction expression does not name a type">;
1450def err_destructor_expr_type_mismatch : Error<
1451  "destructor type %0 in object destruction expression does not match the "
1452  "type %1 of the object being destroyed">;
1453def note_destructor_type_here : Note<
1454  "type %0 is declared here">;
1455
1456def err_destructor_template : Error<
1457  "destructor cannot be declared as a template">;
1458
1459// C++ initialization
1460def err_init_conversion_failed : Error<
1461  "cannot initialize %select{a variable|a parameter|return object|an "
1462  "exception object|a member subobject|an array element|a new value|a value|a "
1463  "base class|a constructor delegation|a vector element|a block element|a "
1464  "complex element|a lambda capture|a compound literal initializer|a "
1465  "related result|a parameter of CF audited function}0 "
1466  "%diff{of type $ with an %select{rvalue|lvalue}2 of type $|"
1467  "with an %select{rvalue|lvalue}2 of incompatible type}1,3"
1468  "%select{|: different classes%diff{ ($ vs $)|}5,6"
1469  "|: different number of parameters (%5 vs %6)"
1470  "|: type mismatch at %ordinal5 parameter%diff{ ($ vs $)|}6,7"
1471  "|: different return type%diff{ ($ vs $)|}5,6"
1472  "|: different qualifiers ("
1473  "%select{none|const|restrict|const and restrict|volatile|const and volatile|"
1474  "volatile and restrict|const, volatile, and restrict}5 vs "
1475  "%select{none|const|restrict|const and restrict|volatile|const and volatile|"
1476  "volatile and restrict|const, volatile, and restrict}6)}4">;
1477
1478def err_lvalue_to_rvalue_ref : Error<"rvalue reference %diff{to type $ cannot "
1479  "bind to lvalue of type $|cannot bind to incompatible lvalue}0,1">;
1480def err_lvalue_reference_bind_to_initlist : Error<
1481  "%select{non-const|volatile}0 lvalue reference to type %1 cannot bind to an "
1482  "initializer list temporary">;
1483def err_lvalue_reference_bind_to_temporary : Error<
1484  "%select{non-const|volatile}0 lvalue reference %diff{to type $ cannot bind "
1485  "to a temporary of type $|cannot bind to incompatible temporary}1,2">;
1486def err_lvalue_reference_bind_to_unrelated : Error<
1487  "%select{non-const|volatile}0 lvalue reference "
1488  "%diff{to type $ cannot bind to a value of unrelated type $|"
1489  "cannot bind to a value of unrelated type}1,2">;
1490def err_reference_bind_drops_quals : Error<
1491  "binding of reference %diff{to type $ to a value of type $ drops qualifiers|"
1492  "drops qualifiers}0,1">;
1493def err_reference_bind_failed : Error<
1494  "reference %diff{to type $ could not bind to an %select{rvalue|lvalue}1 of "
1495  "type $|could not bind to %select{rvalue|lvalue}1 of incompatible type}0,2">;
1496def err_reference_bind_init_list : Error<
1497  "reference to type %0 cannot bind to an initializer list">;
1498def warn_temporary_array_to_pointer_decay : Warning<
1499  "pointer is initialized by a temporary array, which will be destroyed at the "
1500  "end of the full-expression">,
1501  InGroup<DiagGroup<"address-of-array-temporary">>;
1502def err_init_list_bad_dest_type : Error<
1503  "%select{|non-aggregate }0type %1 cannot be initialized with an initializer "
1504  "list">;
1505def err_member_function_call_bad_cvr : Error<"member function %0 not viable: "
1506    "'this' argument has type %1, but function is not marked "
1507    "%select{const|restrict|const or restrict|volatile|const or volatile|"
1508    "volatile or restrict|const, volatile, or restrict}2">;
1509
1510def err_reference_bind_to_bitfield : Error<
1511  "%select{non-const|volatile}0 reference cannot bind to "
1512  "bit-field%select{| %1}2">;
1513def err_reference_bind_to_vector_element : Error<
1514  "%select{non-const|volatile}0 reference cannot bind to vector element">;
1515def err_reference_var_requires_init : Error<
1516  "declaration of reference variable %0 requires an initializer">;
1517def err_reference_without_init : Error<
1518  "reference to type %0 requires an initializer">;
1519def note_value_initialization_here : Note<
1520  "in value-initialization of type %0 here">;
1521def err_reference_has_multiple_inits : Error<
1522  "reference cannot be initialized with multiple values">;
1523def err_init_non_aggr_init_list : Error<
1524  "initialization of non-aggregate type %0 with an initializer list">;
1525def err_init_reference_member_uninitialized : Error<
1526  "reference member of type %0 uninitialized">;
1527def note_uninit_reference_member : Note<
1528  "uninitialized reference member is here">;
1529def warn_field_is_uninit : Warning<"field %0 is uninitialized when used here">,
1530  InGroup<Uninitialized>;
1531def warn_base_class_is_uninit : Warning<
1532  "base class %0 is uninitialized when used here to access %q1">,
1533  InGroup<Uninitialized>;
1534def warn_reference_field_is_uninit : Warning<
1535  "reference %0 is not yet bound to a value when used here">,
1536  InGroup<Uninitialized>;
1537def note_uninit_in_this_constructor : Note<
1538  "during field initialization in %select{this|the implicit default}0 "
1539  "constructor">;
1540def warn_static_self_reference_in_init : Warning<
1541  "static variable %0 is suspiciously used within its own initialization">,
1542  InGroup<UninitializedStaticSelfInit>;
1543def warn_uninit_self_reference_in_init : Warning<
1544  "variable %0 is uninitialized when used within its own initialization">,
1545  InGroup<Uninitialized>;
1546def warn_uninit_self_reference_in_reference_init : Warning<
1547  "reference %0 is not yet bound to a value when used within its own"
1548  " initialization">,
1549  InGroup<Uninitialized>;
1550def warn_uninit_var : Warning<
1551  "variable %0 is uninitialized when %select{used here|captured by block}1">,
1552  InGroup<Uninitialized>, DefaultIgnore;
1553def warn_sometimes_uninit_var : Warning<
1554  "variable %0 is %select{used|captured}1 uninitialized whenever "
1555  "%select{'%3' condition is %select{true|false}4|"
1556  "'%3' loop %select{is entered|exits because its condition is false}4|"
1557  "'%3' loop %select{condition is true|exits because its condition is false}4|"
1558  "switch %3 is taken|"
1559  "its declaration is reached|"
1560  "%3 is called}2">,
1561  InGroup<UninitializedSometimes>, DefaultIgnore;
1562def warn_maybe_uninit_var : Warning<
1563  "variable %0 may be uninitialized when "
1564  "%select{used here|captured by block}1">,
1565  InGroup<UninitializedMaybe>, DefaultIgnore;
1566def note_uninit_var_def : Note<"variable %0 is declared here">;
1567def note_uninit_var_use : Note<
1568  "%select{uninitialized use occurs|variable is captured by block}0 here">;
1569def warn_uninit_byref_blockvar_captured_by_block : Warning<
1570  "block pointer variable %0 is uninitialized when captured by block">,
1571  InGroup<Uninitialized>, DefaultIgnore;
1572def note_block_var_fixit_add_initialization : Note<
1573  "did you mean to use __block %0?">;
1574def note_in_omitted_aggregate_initializer : Note<
1575  "in implicit initialization of %select{array element %1|field %1}0 "
1576  "with omitted initializer">;
1577def note_in_reference_temporary_list_initializer : Note<
1578  "in initialization of temporary of type %0 created to "
1579  "list-initialize this reference">;
1580def note_var_fixit_add_initialization : Note<
1581  "initialize the variable %0 to silence this warning">;
1582def note_uninit_fixit_remove_cond : Note<
1583  "remove the %select{'%1' if its condition|condition if it}0 "
1584  "is always %select{false|true}2">;
1585def err_init_incomplete_type : Error<"initialization of incomplete type %0">;
1586
1587def warn_unsequenced_mod_mod : Warning<
1588  "multiple unsequenced modifications to %0">, InGroup<Unsequenced>;
1589def warn_unsequenced_mod_use : Warning<
1590  "unsequenced modification and access to %0">, InGroup<Unsequenced>;
1591
1592def err_temp_copy_no_viable : Error<
1593  "no viable constructor %select{copying variable|copying parameter|"
1594  "returning object|throwing object|copying member subobject|copying array "
1595  "element|allocating object|copying temporary|initializing base subobject|"
1596  "initializing vector element|capturing value}0 of type %1">;
1597def ext_rvalue_to_reference_temp_copy_no_viable : Extension<
1598  "no viable constructor %select{copying variable|copying parameter|"
1599  "returning object|throwing object|copying member subobject|copying array "
1600  "element|allocating object|copying temporary|initializing base subobject|"
1601  "initializing vector element|capturing value}0 of type %1; C++98 requires a copy "
1602  "constructor when binding a reference to a temporary">,
1603  InGroup<BindToTemporaryCopy>;
1604def err_temp_copy_ambiguous : Error<
1605  "ambiguous constructor call when %select{copying variable|copying "
1606  "parameter|returning object|throwing object|copying member subobject|copying "
1607  "array element|allocating object|copying temporary|initializing base subobject|"
1608  "initializing vector element|capturing value}0 of type %1">;
1609def err_temp_copy_deleted : Error<
1610  "%select{copying variable|copying parameter|returning object|throwing "
1611  "object|copying member subobject|copying array element|allocating object|"
1612  "copying temporary|initializing base subobject|initializing vector element|"
1613  "capturing value}0 of type %1 invokes deleted constructor">;
1614def err_temp_copy_incomplete : Error<
1615  "copying a temporary object of incomplete type %0">;
1616def warn_cxx98_compat_temp_copy : Warning<
1617  "%select{copying variable|copying parameter|returning object|throwing "
1618  "object|copying member subobject|copying array element|allocating object|"
1619  "copying temporary|initializing base subobject|initializing vector element}1 "
1620  "of type %2 when binding a reference to a temporary would %select{invoke "
1621  "an inaccessible constructor|find no viable constructor|find ambiguous "
1622  "constructors|invoke a deleted constructor}0 in C++98">,
1623  InGroup<CXX98CompatBindToTemporaryCopy>, DefaultIgnore;
1624def err_selected_explicit_constructor : Error<
1625  "chosen constructor is explicit in copy-initialization">;
1626def note_constructor_declared_here : Note<
1627  "constructor declared here">;
1628
1629// C++11 decltype
1630def err_decltype_in_declarator : Error<
1631    "'decltype' cannot be used to name a declaration">;
1632
1633// C++11 auto
1634def warn_cxx98_compat_auto_type_specifier : Warning<
1635  "'auto' type specifier is incompatible with C++98">,
1636  InGroup<CXX98Compat>, DefaultIgnore;
1637def err_auto_variable_cannot_appear_in_own_initializer : Error<
1638  "variable %0 declared with 'auto' type cannot appear in its own initializer">;
1639def err_illegal_decl_array_of_auto : Error<
1640  "'%0' declared as array of %1">;
1641def err_new_array_of_auto : Error<
1642  "cannot allocate array of 'auto'">;
1643def err_auto_not_allowed : Error<
1644  "%select{'auto'|'decltype(auto)'}0 not allowed %select{in function prototype"
1645  "|in non-static struct member"
1646  "|in non-static union member|in non-static class member|in interface member"
1647  "|in exception declaration|in template parameter|in block literal"
1648  "|in template argument|in typedef|in type alias|in function return type"
1649  "|in conversion function type|here|in lambda parameter}1">;
1650def err_auto_not_allowed_var_inst : Error<
1651  "'auto' variable template instantiation is not allowed">;
1652def err_auto_var_requires_init : Error<
1653  "declaration of variable %0 with type %1 requires an initializer">;
1654def err_auto_new_requires_ctor_arg : Error<
1655  "new expression for type %0 requires a constructor argument">;
1656def err_auto_new_list_init : Error<
1657  "new expression for type %0 cannot use list-initialization">;
1658def err_auto_var_init_no_expression : Error<
1659  "initializer for variable %0 with type %1 is empty">;
1660def err_auto_var_init_multiple_expressions : Error<
1661  "initializer for variable %0 with type %1 contains multiple expressions">;
1662def err_auto_var_init_paren_braces : Error<
1663  "cannot deduce type for variable %0 with type %1 from "
1664  "parenthesized initializer list">;
1665def warn_auto_var_direct_list_init : Warning<
1666  "direct list initialization of a variable with a deduced type will change "
1667  "meaning in a future version of Clang; insert an '=' to avoid a change in "
1668  "behavior">, InGroup<FutureCompat>;
1669def err_auto_new_ctor_multiple_expressions : Error<
1670  "new expression for type %0 contains multiple constructor arguments">;
1671def err_auto_missing_trailing_return : Error<
1672  "'auto' return without trailing return type; deduced return types are a "
1673  "C++14 extension">;
1674def err_deduced_return_type : Error<
1675  "deduced return types are a C++14 extension">;
1676def err_trailing_return_without_auto : Error<
1677  "function with trailing return type must specify return type 'auto', not %0">;
1678def err_trailing_return_in_parens : Error<
1679  "trailing return type may not be nested within parentheses">;
1680def err_auto_var_deduction_failure : Error<
1681  "variable %0 with type %1 has incompatible initializer of type %2">;
1682def err_auto_var_deduction_failure_from_init_list : Error<
1683  "cannot deduce actual type for variable %0 with type %1 from initializer list">;
1684def err_auto_new_deduction_failure : Error<
1685  "new expression for type %0 has incompatible constructor argument of type %1">;
1686def err_auto_different_deductions : Error<
1687  "'%select{auto|decltype(auto)}0' deduced as %1 in declaration of %2 and "
1688  "deduced as %3 in declaration of %4">;
1689def err_implied_std_initializer_list_not_found : Error<
1690  "cannot deduce type of initializer list because std::initializer_list was "
1691  "not found; include <initializer_list>">;
1692def err_malformed_std_initializer_list : Error<
1693  "std::initializer_list must be a class template with a single type parameter">;
1694def warn_dangling_std_initializer_list : Warning<
1695  "array backing the initializer list will be destroyed at the end of "
1696  "%select{the full-expression|the constructor}0">,
1697  InGroup<DiagGroup<"dangling-initializer-list">>;
1698
1699// C++1y decltype(auto) type
1700def err_decltype_auto_cannot_be_combined : Error<
1701  "'decltype(auto)' cannot be combined with other type specifiers">;
1702def err_decltype_auto_function_declarator_not_declaration : Error<
1703  "'decltype(auto)' can only be used as a return type "
1704  "in a function declaration">;
1705def err_decltype_auto_compound_type : Error<
1706  "cannot form %select{pointer to|reference to|array of}0 'decltype(auto)'">;
1707def err_decltype_auto_initializer_list : Error<
1708  "cannot deduce 'decltype(auto)' from initializer list">;
1709
1710// C++1y deduced return types
1711def err_auto_fn_deduction_failure : Error<
1712  "cannot deduce return type %0 from returned value of type %1">;
1713def err_auto_fn_different_deductions : Error<
1714  "'%select{auto|decltype(auto)}0' in return type deduced as %1 here but "
1715  "deduced as %2 in earlier return statement">;
1716def err_auto_fn_used_before_defined : Error<
1717  "function %0 with deduced return type cannot be used before it is defined">;
1718def err_auto_fn_no_return_but_not_auto : Error<
1719  "cannot deduce return type %0 for function with no return statements">;
1720def err_auto_fn_return_void_but_not_auto : Error<
1721  "cannot deduce return type %0 from omitted return expression">;
1722def err_auto_fn_return_init_list : Error<
1723  "cannot deduce return type from initializer list">;
1724def err_auto_fn_virtual : Error<
1725  "function with deduced return type cannot be virtual">;
1726
1727// C++11 override control
1728def override_keyword_only_allowed_on_virtual_member_functions : Error<
1729  "only virtual member functions can be marked '%0'">;
1730def override_keyword_hides_virtual_member_function : Error<
1731  "non-virtual member function marked '%0' hides virtual member "
1732  "%select{function|functions}1">;
1733def err_function_marked_override_not_overriding : Error<
1734  "%0 marked 'override' but does not override any member functions">;
1735def warn_function_marked_not_override_overriding : Warning <
1736  "%0 overrides a member function but is not marked 'override'">,
1737  InGroup<CXX11WarnOverrideMethod>;
1738def err_class_marked_final_used_as_base : Error<
1739  "base %0 is marked '%select{final|sealed}1'">;
1740def warn_abstract_final_class : Warning<
1741  "abstract class is marked '%select{final|sealed}0'">, InGroup<AbstractFinalClass>;
1742
1743// C++11 attributes
1744def err_repeat_attribute : Error<"%0 attribute cannot be repeated">;
1745
1746// C++11 final
1747def err_final_function_overridden : Error<
1748  "declaration of %0 overrides a '%select{final|sealed}1' function">;
1749
1750// C++11 scoped enumerations
1751def err_enum_invalid_underlying : Error<
1752  "non-integral type %0 is an invalid underlying type">;
1753def err_enumerator_too_large : Error<
1754  "enumerator value is not representable in the underlying type %0">;
1755def ext_enumerator_too_large : ExtWarn<
1756  "enumerator value is not representable in the underlying type %0">,
1757  InGroup<Microsoft>;
1758def err_enumerator_wrapped : Error<
1759  "enumerator value %0 is not representable in the underlying type %1">;
1760def err_enum_redeclare_type_mismatch : Error<
1761  "enumeration redeclared with different underlying type %0 (was %1)">;
1762def err_enum_redeclare_fixed_mismatch : Error<
1763  "enumeration previously declared with %select{non|}0fixed underlying type">;
1764def err_enum_redeclare_scoped_mismatch : Error<
1765  "enumeration previously declared as %select{un|}0scoped">;
1766def err_enum_class_reference : Error<
1767  "reference to %select{|scoped }0enumeration must use 'enum' "
1768  "not 'enum class'">;
1769def err_only_enums_have_underlying_types : Error<
1770  "only enumeration types have underlying types">;
1771def err_underlying_type_of_incomplete_enum : Error<
1772  "cannot determine underlying type of incomplete enumeration type %0">;
1773
1774// C++11 delegating constructors
1775def err_delegating_ctor : Error<
1776  "delegating constructors are permitted only in C++11">;
1777def warn_cxx98_compat_delegating_ctor : Warning<
1778  "delegating constructors are incompatible with C++98">,
1779  InGroup<CXX98Compat>, DefaultIgnore;
1780def err_delegating_initializer_alone : Error<
1781  "an initializer for a delegating constructor must appear alone">;
1782def warn_delegating_ctor_cycle : Warning<
1783  "constructor for %0 creates a delegation cycle">, DefaultError,
1784  InGroup<DelegatingCtorCycles>;
1785def note_it_delegates_to : Note<"it delegates to">;
1786def note_which_delegates_to : Note<"which delegates to">;
1787
1788// C++11 range-based for loop
1789def err_for_range_decl_must_be_var : Error<
1790  "for range declaration must declare a variable">;
1791def err_for_range_storage_class : Error<
1792  "loop variable %0 may not be declared %select{'extern'|'static'|"
1793  "'__private_extern__'|'auto'|'register'|'constexpr'}1">;
1794def err_type_defined_in_for_range : Error<
1795  "types may not be defined in a for range declaration">;
1796def err_for_range_deduction_failure : Error<
1797  "cannot use type %0 as a range">;
1798def err_for_range_incomplete_type : Error<
1799  "cannot use incomplete type %0 as a range">;
1800def err_for_range_iter_deduction_failure : Error<
1801  "cannot use type %0 as an iterator">;
1802def err_for_range_member_begin_end_mismatch : Error<
1803  "range type %0 has '%select{begin|end}1' member but no '%select{end|begin}1' member">;
1804def err_for_range_begin_end_types_differ : Error<
1805  "'begin' and 'end' must return the same type (got %0 and %1)">;
1806def note_in_for_range: Note<
1807  "when looking up '%select{begin|end}0' function for range expression "
1808  "of type %1">;
1809def err_for_range_invalid: Error<
1810  "invalid range expression of type %0; no viable '%select{begin|end}1' "
1811  "function available">;
1812def err_range_on_array_parameter : Error<
1813  "cannot build range expression with array function parameter %0 since "
1814  "parameter with array type %1 is treated as pointer type %2">;
1815def err_for_range_dereference : Error<
1816  "invalid range expression of type %0; did you mean to dereference it "
1817  "with '*'?">;
1818def note_for_range_invalid_iterator : Note <
1819  "in implicit call to 'operator%select{!=|*|++}0' for iterator of type %1">;
1820def note_for_range_begin_end : Note<
1821  "selected '%select{begin|end}0' %select{function|template }1%2 with iterator type %3">;
1822
1823// C++11 constexpr
1824def warn_cxx98_compat_constexpr : Warning<
1825  "'constexpr' specifier is incompatible with C++98">,
1826  InGroup<CXX98Compat>, DefaultIgnore;
1827// FIXME: Maybe this should also go in -Wc++14-compat?
1828def warn_cxx14_compat_constexpr_not_const : Warning<
1829  "'constexpr' non-static member function will not be implicitly 'const' "
1830  "in C++14; add 'const' to avoid a change in behavior">,
1831  InGroup<DiagGroup<"constexpr-not-const">>;
1832def err_invalid_constexpr : Error<
1833  "%select{function parameter|typedef|non-static data member}0 "
1834  "cannot be constexpr">;
1835def err_invalid_constexpr_member : Error<"non-static data member cannot be "
1836  "constexpr%select{; did you intend to make it %select{const|static}0?|}1">;
1837def err_constexpr_tag : Error<
1838  "%select{class|struct|interface|union|enum}0 cannot be marked constexpr">;
1839def err_constexpr_dtor : Error<"destructor cannot be marked constexpr">;
1840def err_constexpr_no_declarators : Error<
1841  "constexpr can only be used in variable and function declarations">;
1842def err_invalid_constexpr_var_decl : Error<
1843  "constexpr variable declaration must be a definition">;
1844def err_constexpr_static_mem_var_requires_init : Error<
1845  "declaration of constexpr static data member %0 requires an initializer">;
1846def err_constexpr_var_non_literal : Error<
1847  "constexpr variable cannot have non-literal type %0">;
1848def err_constexpr_var_requires_const_init : Error<
1849  "constexpr variable %0 must be initialized by a constant expression">;
1850def err_constexpr_redecl_mismatch : Error<
1851  "%select{non-constexpr declaration of %0 follows constexpr declaration"
1852  "|constexpr declaration of %0 follows non-constexpr declaration}1">;
1853def err_constexpr_virtual : Error<"virtual function cannot be constexpr">;
1854def err_constexpr_virtual_base : Error<
1855  "constexpr %select{member function|constructor}0 not allowed in "
1856  "%select{struct|interface|class}1 with virtual base "
1857  "%plural{1:class|:classes}2">;
1858def note_non_literal_incomplete : Note<
1859  "incomplete type %0 is not a literal type">;
1860def note_non_literal_virtual_base : Note<"%select{struct|interface|class}0 "
1861  "with virtual base %plural{1:class|:classes}1 is not a literal type">;
1862def note_constexpr_virtual_base_here : Note<"virtual base class declared here">;
1863def err_constexpr_non_literal_return : Error<
1864  "constexpr function's return type %0 is not a literal type">;
1865def err_constexpr_non_literal_param : Error<
1866  "constexpr %select{function|constructor}1's %ordinal0 parameter type %2 is "
1867  "not a literal type">;
1868def err_constexpr_body_invalid_stmt : Error<
1869  "statement not allowed in constexpr %select{function|constructor}0">;
1870def ext_constexpr_body_invalid_stmt : ExtWarn<
1871  "use of this statement in a constexpr %select{function|constructor}0 "
1872  "is a C++14 extension">, InGroup<CXX14>;
1873def warn_cxx11_compat_constexpr_body_invalid_stmt : Warning<
1874  "use of this statement in a constexpr %select{function|constructor}0 "
1875  "is incompatible with C++ standards before C++14">,
1876  InGroup<CXXPre14Compat>, DefaultIgnore;
1877def ext_constexpr_type_definition : ExtWarn<
1878  "type definition in a constexpr %select{function|constructor}0 "
1879  "is a C++14 extension">, InGroup<CXX14>;
1880def warn_cxx11_compat_constexpr_type_definition : Warning<
1881  "type definition in a constexpr %select{function|constructor}0 "
1882  "is incompatible with C++ standards before C++14">,
1883  InGroup<CXXPre14Compat>, DefaultIgnore;
1884def err_constexpr_vla : Error<
1885  "variably-modified type %0 cannot be used in a constexpr "
1886  "%select{function|constructor}1">;
1887def ext_constexpr_local_var : ExtWarn<
1888  "variable declaration in a constexpr %select{function|constructor}0 "
1889  "is a C++14 extension">, InGroup<CXX14>;
1890def warn_cxx11_compat_constexpr_local_var : Warning<
1891  "variable declaration in a constexpr %select{function|constructor}0 "
1892  "is incompatible with C++ standards before C++14">,
1893  InGroup<CXXPre14Compat>, DefaultIgnore;
1894def err_constexpr_local_var_static : Error<
1895  "%select{static|thread_local}1 variable not permitted in a constexpr "
1896  "%select{function|constructor}0">;
1897def err_constexpr_local_var_non_literal_type : Error<
1898  "variable of non-literal type %1 cannot be defined in a constexpr "
1899  "%select{function|constructor}0">;
1900def err_constexpr_local_var_no_init : Error<
1901  "variables defined in a constexpr %select{function|constructor}0 must be "
1902  "initialized">;
1903def ext_constexpr_function_never_constant_expr : ExtWarn<
1904  "constexpr %select{function|constructor}0 never produces a "
1905  "constant expression">, InGroup<DiagGroup<"invalid-constexpr">>, DefaultError;
1906def err_enable_if_never_constant_expr : Error<
1907  "'enable_if' attribute expression never produces a constant expression">;
1908def err_constexpr_body_no_return : Error<
1909  "no return statement in constexpr function">;
1910def err_constexpr_return_missing_expr : Error<
1911  "non-void constexpr function %0 should return a value">;
1912def warn_cxx11_compat_constexpr_body_no_return : Warning<
1913  "constexpr function with no return statements is incompatible with C++ "
1914  "standards before C++14">, InGroup<CXXPre14Compat>, DefaultIgnore;
1915def ext_constexpr_body_multiple_return : ExtWarn<
1916  "multiple return statements in constexpr function is a C++14 extension">,
1917  InGroup<CXX14>;
1918def warn_cxx11_compat_constexpr_body_multiple_return : Warning<
1919  "multiple return statements in constexpr function "
1920  "is incompatible with C++ standards before C++14">,
1921  InGroup<CXXPre14Compat>, DefaultIgnore;
1922def note_constexpr_body_previous_return : Note<
1923  "previous return statement is here">;
1924def err_constexpr_function_try_block : Error<
1925  "function try block not allowed in constexpr %select{function|constructor}0">;
1926def err_constexpr_union_ctor_no_init : Error<
1927  "constexpr union constructor does not initialize any member">;
1928def err_constexpr_ctor_missing_init : Error<
1929  "constexpr constructor must initialize all members">;
1930def note_constexpr_ctor_missing_init : Note<
1931  "member not initialized by constructor">;
1932def note_non_literal_no_constexpr_ctors : Note<
1933  "%0 is not literal because it is not an aggregate and has no constexpr "
1934  "constructors other than copy or move constructors">;
1935def note_non_literal_base_class : Note<
1936  "%0 is not literal because it has base class %1 of non-literal type">;
1937def note_non_literal_field : Note<
1938  "%0 is not literal because it has data member %1 of "
1939  "%select{non-literal|volatile}3 type %2">;
1940def note_non_literal_user_provided_dtor : Note<
1941  "%0 is not literal because it has a user-provided destructor">;
1942def note_non_literal_nontrivial_dtor : Note<
1943  "%0 is not literal because it has a non-trivial destructor">;
1944def warn_private_extern : Warning<
1945  "use of __private_extern__ on a declaration may not produce external symbol "
1946  "private to the linkage unit and is deprecated">, InGroup<PrivateExtern>;
1947def note_private_extern : Note<
1948  "use __attribute__((visibility(\"hidden\"))) attribute instead">;
1949
1950// C++11 char16_t/char32_t
1951def warn_cxx98_compat_unicode_type : Warning<
1952  "'%0' type specifier is incompatible with C++98">,
1953  InGroup<CXX98Compat>, DefaultIgnore;
1954
1955// Objective-C++
1956def err_objc_decls_may_only_appear_in_global_scope : Error<
1957  "Objective-C declarations may only appear in global scope">;
1958def warn_auto_var_is_id : Warning<
1959  "'auto' deduced as 'id' in declaration of %0">,
1960  InGroup<DiagGroup<"auto-var-id">>;
1961
1962// Attributes
1963def err_nsobject_attribute : Error<
1964  "'NSObject' attribute is for pointer types only">;
1965def err_attributes_are_not_compatible : Error<
1966  "%0 and %1 attributes are not compatible">;
1967def err_attribute_wrong_number_arguments : Error<
1968  "%0 attribute %plural{0:takes no arguments|1:takes one argument|"
1969  ":requires exactly %1 arguments}1">;
1970def err_attribute_too_many_arguments : Error<
1971  "%0 attribute takes no more than %1 argument%s1">;
1972def err_attribute_too_few_arguments : Error<
1973  "%0 attribute takes at least %1 argument%s1">;
1974def err_attribute_invalid_vector_type : Error<"invalid vector element type %0">;
1975def err_attribute_bad_neon_vector_size : Error<
1976  "Neon vector size must be 64 or 128 bits">;
1977def err_attribute_unsupported : Error<
1978  "%0 attribute is not supported for this target">;
1979// The err_*_attribute_argument_not_int are seperate because they're used by
1980// VerifyIntegerConstantExpression.
1981def err_aligned_attribute_argument_not_int : Error<
1982  "'aligned' attribute requires integer constant">;
1983def err_align_value_attribute_argument_not_int : Error<
1984  "'align_value' attribute requires integer constant">;
1985def err_alignas_attribute_wrong_decl_type : Error<
1986  "%0 attribute cannot be applied to a %select{function parameter|"
1987  "variable with 'register' storage class|'catch' variable|bit-field}1">;
1988def err_alignas_missing_on_definition : Error<
1989  "%0 must be specified on definition if it is specified on any declaration">;
1990def note_alignas_on_declaration : Note<"declared with %0 attribute here">;
1991def err_alignas_mismatch : Error<
1992  "redeclaration has different alignment requirement (%1 vs %0)">;
1993def err_alignas_underaligned : Error<
1994  "requested alignment is less than minimum alignment of %1 for type %0">;
1995def err_attribute_argument_n_type : Error<
1996  "%0 attribute requires parameter %1 to be %select{int or bool|an integer "
1997  "constant|a string|an identifier}2">;
1998def err_attribute_argument_type : Error<
1999  "%0 attribute requires %select{int or bool|an integer "
2000  "constant|a string|an identifier}1">;
2001def err_attribute_argument_outof_range : Error<
2002  "init_priority attribute requires integer constant between "
2003  "101 and 65535 inclusive">;
2004def err_init_priority_object_attr : Error<
2005  "can only use 'init_priority' attribute on file-scope definitions "
2006  "of objects of class type">;
2007def err_attribute_argument_vec_type_hint : Error<
2008  "invalid attribute argument %0 - expecting a vector or vectorizable scalar type">;
2009def err_attribute_argument_out_of_bounds : Error<
2010  "%0 attribute parameter %1 is out of bounds">;
2011def err_attribute_uuid_malformed_guid : Error<
2012  "uuid attribute contains a malformed GUID">;
2013def warn_attribute_pointers_only : Warning<
2014  "%0 attribute only applies to pointer arguments">,
2015  InGroup<IgnoredAttributes>;
2016def err_attribute_pointers_only : Error<warn_attribute_pointers_only.Text>;
2017def warn_attribute_return_pointers_only : Warning<
2018  "%0 attribute only applies to return values that are pointers">,
2019  InGroup<IgnoredAttributes>;
2020def warn_attribute_return_pointers_refs_only : Warning<
2021  "%0 attribute only applies to return values that are pointers or references">,
2022  InGroup<IgnoredAttributes>;
2023def warn_attribute_pointer_or_reference_only : Warning<
2024  "%0 attribute only applies to a pointer or reference (%1 is invalid)">,
2025  InGroup<IgnoredAttributes>;
2026def err_attribute_no_member_pointers : Error<
2027  "%0 attribute cannot be used with pointers to members">;
2028def err_attribute_invalid_implicit_this_argument : Error<
2029  "%0 attribute is invalid for the implicit this argument">;
2030def err_ownership_type : Error<
2031  "%0 attribute only applies to %select{pointer|integer}1 arguments">;
2032def err_ownership_returns_index_mismatch : Error<
2033  "'ownership_returns' attribute index does not match; here it is %0">;
2034def note_ownership_returns_index_mismatch : Note<
2035  "declared with index %0 here">;
2036def err_format_strftime_third_parameter : Error<
2037  "strftime format attribute requires 3rd parameter to be 0">;
2038def err_format_attribute_requires_variadic : Error<
2039  "format attribute requires variadic function">;
2040def err_format_attribute_not : Error<"format argument not %0">;
2041def err_format_attribute_result_not : Error<"function does not return %0">;
2042def err_format_attribute_implicit_this_format_string : Error<
2043  "format attribute cannot specify the implicit this argument as the format "
2044  "string">;
2045def err_init_method_bad_return_type : Error<
2046  "init methods must return an object pointer type, not %0">;
2047def err_attribute_invalid_size : Error<
2048  "vector size not an integral multiple of component size">;
2049def err_attribute_zero_size : Error<"zero vector size">;
2050def err_attribute_size_too_large : Error<"vector size too large">;
2051def err_typecheck_vector_not_convertable : Error<
2052  "can't convert between vector values of different size (%0 and %1)">;
2053def err_typecheck_vector_not_convertable_non_scalar : Error<
2054  "can't convert between vector and non-scalar values (%0 and %1)">;
2055def err_typecheck_vector_lengths_not_equal : Error<
2056  "vector operands do not have the same number of elements (%0 and %1)">;
2057def err_ext_vector_component_exceeds_length : Error<
2058  "vector component access exceeds type %0">;
2059def err_ext_vector_component_name_illegal : Error<
2060  "illegal vector component name '%0'">;
2061def err_attribute_address_space_negative : Error<
2062  "address space is negative">;
2063def err_attribute_address_space_too_high : Error<
2064  "address space is larger than the maximum supported (%0)">;
2065def err_attribute_address_multiple_qualifiers : Error<
2066  "multiple address spaces specified for type">;
2067def err_attribute_address_function_type : Error<
2068  "function type may not be qualified with an address space">;
2069def err_as_qualified_auto_decl : Error<
2070  "automatic variable qualified with an address space">;
2071def err_arg_with_address_space : Error<
2072  "parameter may not be qualified with an address space">;
2073def err_field_with_address_space : Error<
2074  "field may not be qualified with an address space">;
2075def err_attr_objc_ownership_redundant : Error<
2076  "the type %0 is already explicitly ownership-qualified">;
2077def err_undeclared_nsnumber : Error<
2078  "NSNumber must be available to use Objective-C literals">;
2079def err_invalid_nsnumber_type : Error<
2080  "%0 is not a valid literal type for NSNumber">;
2081def err_undeclared_nsstring : Error<
2082  "cannot box a string value because NSString has not been declared">;
2083def err_objc_illegal_boxed_expression_type : Error<
2084  "illegal type %0 used in a boxed expression">;
2085def err_objc_incomplete_boxed_expression_type : Error<
2086  "incomplete type %0 used in a boxed expression">;
2087def err_undeclared_nsarray : Error<
2088  "NSArray must be available to use Objective-C array literals">;
2089def err_undeclared_nsdictionary : Error<
2090  "NSDictionary must be available to use Objective-C dictionary "
2091  "literals">;
2092def err_undeclared_boxing_method : Error<
2093  "declaration of %0 is missing in %1 class">;
2094def err_objc_literal_method_sig : Error<
2095  "literal construction method %0 has incompatible signature">;
2096def note_objc_literal_method_param : Note<
2097  "%select{first|second|third}0 parameter has unexpected type %1 "
2098  "(should be %2)">;
2099def note_objc_literal_method_return : Note<
2100  "method returns unexpected type %0 (should be an object type)">;
2101def err_invalid_collection_element : Error<
2102  "collection element of type %0 is not an Objective-C object">;
2103def err_box_literal_collection : Error<
2104  "%select{string|character|boolean|numeric}0 literal must be prefixed by '@' "
2105  "in a collection">;
2106def warn_objc_literal_comparison : Warning<
2107  "direct comparison of %select{an array literal|a dictionary literal|"
2108  "a numeric literal|a boxed expression|}0 has undefined behavior">,
2109  InGroup<ObjCLiteralComparison>;
2110def err_missing_atsign_prefix : Error<
2111  "string literal must be prefixed by '@' ">;
2112def warn_objc_string_literal_comparison : Warning<
2113  "direct comparison of a string literal has undefined behavior">,
2114  InGroup<ObjCStringComparison>;
2115def warn_concatenated_nsarray_literal : Warning<
2116  "concatenated NSString literal for an NSArray expression - "
2117  "possibly missing a comma">,
2118  InGroup<ObjCStringConcatenation>;
2119def note_objc_literal_comparison_isequal : Note<
2120  "use 'isEqual:' instead">;
2121def err_attribute_argument_is_zero : Error<
2122  "%0 attribute must be greater than 0">;
2123def err_property_function_in_objc_container : Error<
2124  "use of Objective-C property in function nested in Objective-C "
2125  "container not supported, move function outside its container">;
2126
2127let CategoryName = "Cocoa API Issue" in {
2128def warn_objc_redundant_literal_use : Warning<
2129  "using %0 with a literal is redundant">, InGroup<ObjCRedundantLiteralUse>;
2130}
2131
2132def err_attr_tlsmodel_arg : Error<"tls_model must be \"global-dynamic\", "
2133  "\"local-dynamic\", \"initial-exec\" or \"local-exec\"">;
2134
2135def err_only_annotate_after_access_spec : Error<
2136  "access specifier can only have annotation attributes">;
2137
2138def err_attribute_section_invalid_for_target : Error<
2139  "argument to 'section' attribute is not valid for this target: %0">;
2140def warn_mismatched_section : Warning<
2141  "section does not match previous declaration">, InGroup<Section>;
2142
2143def err_anonymous_property: Error<
2144  "anonymous property is not supported">;
2145def err_property_is_variably_modified : Error<
2146  "property %0 has a variably modified type">;
2147def err_no_accessor_for_property : Error<
2148  "no %select{getter|setter}0 defined for property %1">;
2149def error_cannot_find_suitable_accessor : Error<
2150  "cannot find suitable %select{getter|setter}0 for property %1">;
2151
2152def err_alignment_not_power_of_two : Error<
2153  "requested alignment is not a power of 2">;
2154def err_alignment_dependent_typedef_name : Error<
2155  "requested alignment is dependent but declaration is not dependent">;
2156
2157def err_attribute_aligned_too_great : Error<
2158  "requested alignment must be %0 bytes or smaller">;
2159def warn_redeclaration_without_attribute_prev_attribute_ignored : Warning<
2160  "%q0 redeclared without %1 attribute: previous %1 ignored">,
2161  InGroup<DiagGroup<"inconsistent-dllimport">>;
2162def warn_dllimport_dropped_from_inline_function : Warning<
2163  "%q0 redeclared inline; %1 attribute ignored">,
2164  InGroup<IgnoredAttributes>;
2165def warn_attribute_ignored : Warning<"%0 attribute ignored">,
2166  InGroup<IgnoredAttributes>;
2167def warn_attribute_ignored_on_inline :
2168  Warning<"%0 attribute ignored on inline function">,
2169  InGroup<IgnoredAttributes>;
2170def warn_attribute_after_definition_ignored : Warning<
2171  "attribute %0 after definition is ignored">,
2172   InGroup<IgnoredAttributes>;
2173def warn_unknown_attribute_ignored : Warning<
2174  "unknown attribute %0 ignored">, InGroup<UnknownAttributes>;
2175def warn_cxx11_gnu_attribute_on_type : Warning<
2176  "attribute %0 ignored, because it cannot be applied to a type">,
2177  InGroup<IgnoredAttributes>;
2178def warn_unhandled_ms_attribute_ignored : Warning<
2179  "__declspec attribute %0 is not supported">,
2180  InGroup<IgnoredAttributes>;
2181def err_attribute_invalid_on_stmt : Error<
2182  "%0 attribute cannot be applied to a statement">;
2183def warn_declspec_attribute_ignored : Warning<
2184  "attribute %0 is ignored, place it after "
2185  "\"%select{class|struct|union|interface|enum}1\" to apply attribute to "
2186  "type declaration">, InGroup<IgnoredAttributes>;
2187def warn_attribute_precede_definition : Warning<
2188  "attribute declaration must precede definition">,
2189  InGroup<IgnoredAttributes>;
2190def warn_attribute_void_function_method : Warning<
2191  "attribute %0 cannot be applied to "
2192  "%select{functions|Objective-C method}1 without return value">,
2193  InGroup<IgnoredAttributes>;
2194def warn_attribute_weak_on_field : Warning<
2195  "__weak attribute cannot be specified on a field declaration">,
2196  InGroup<IgnoredAttributes>;
2197def warn_gc_attribute_weak_on_local : Warning<
2198  "Objective-C GC does not allow weak variables on the stack">,
2199  InGroup<IgnoredAttributes>;
2200def warn_nsobject_attribute : Warning<
2201  "'NSObject' attribute may be put on a typedef only; attribute is ignored">,
2202  InGroup<NSobjectAttribute>;
2203def warn_independentclass_attribute : Warning<
2204  "'objc_independent_class' attribute may be put on a typedef only; "
2205  "attribute is ignored">,
2206  InGroup<IndependentClassAttribute>;
2207def warn_ptr_independentclass_attribute : Warning<
2208  "'objc_independent_class' attribute may be put on Objective-C object "
2209  "pointer type only; attribute is ignored">,
2210  InGroup<IndependentClassAttribute>;
2211def warn_attribute_weak_on_local : Warning<
2212  "__weak attribute cannot be specified on an automatic variable when ARC "
2213  "is not enabled">,
2214  InGroup<IgnoredAttributes>;
2215def warn_weak_identifier_undeclared : Warning<
2216  "weak identifier %0 never declared">;
2217def err_attribute_weak_static : Error<
2218  "weak declaration cannot have internal linkage">;
2219def err_attribute_selectany_non_extern_data : Error<
2220  "'selectany' can only be applied to data items with external linkage">;
2221def err_declspec_thread_on_thread_variable : Error<
2222  "'__declspec(thread)' applied to variable that already has a "
2223  "thread-local storage specifier">;
2224def err_attribute_dll_not_extern : Error<
2225  "%q0 must have external linkage when declared %q1">;
2226def err_attribute_dll_thread_local : Error<
2227  "%q0 cannot be thread local when declared %q1">;
2228def warn_attribute_invalid_on_definition : Warning<
2229  "'%0' attribute cannot be specified on a definition">,
2230  InGroup<IgnoredAttributes>;
2231def err_attribute_dll_redeclaration : Error<
2232  "redeclaration of %q0 cannot add %q1 attribute">;
2233def warn_attribute_dll_redeclaration : Warning<
2234  "redeclaration of %q0 should not add %q1 attribute">,
2235  InGroup<DiagGroup<"dll-attribute-on-redeclaration">>;
2236def err_attribute_dllimport_function_definition : Error<
2237  "dllimport cannot be applied to non-inline function definition">;
2238def err_attribute_dll_deleted : Error<
2239  "attribute %q0 cannot be applied to a deleted function">;
2240def err_attribute_dllimport_data_definition : Error<
2241  "definition of dllimport data">;
2242def err_attribute_dllimport_static_field_definition : Error<
2243  "definition of dllimport static field not allowed">;
2244def warn_attribute_dllimport_static_field_definition : Warning<
2245  "definition of dllimport static field">,
2246  InGroup<DiagGroup<"dllimport-static-field-def">>;
2247def warn_attribute_dllexport_explicit_instantiation_decl : Warning<
2248  "explicit instantiation declaration should not be 'dllexport'">,
2249  InGroup<DiagGroup<"dllexport-explicit-instantation-decl">>;
2250def warn_invalid_initializer_from_system_header : Warning<
2251  "invalid constructor form class in system header, should not be explicit">,
2252  InGroup<DiagGroup<"invalid-initializer-from-system-header">>;
2253def note_used_in_initialization_here : Note<"used in initialization here">;
2254def err_attribute_dll_member_of_dll_class : Error<
2255  "attribute %q0 cannot be applied to member of %q1 class">;
2256def warn_attribute_dll_instantiated_base_class : Warning<
2257  "propagating dll attribute to %select{already instantiated|explicitly specialized}0 "
2258  "base class template "
2259  "%select{without dll attribute|with different dll attribute}1 is not supported">,
2260  InGroup<DiagGroup<"unsupported-dll-base-class-template">>, DefaultIgnore;
2261def err_attribute_weakref_not_static : Error<
2262  "weakref declaration must have internal linkage">;
2263def err_attribute_weakref_not_global_context : Error<
2264  "weakref declaration of %0 must be in a global context">;
2265def err_attribute_weakref_without_alias : Error<
2266  "weakref declaration of %0 must also have an alias attribute">;
2267def err_alias_not_supported_on_darwin : Error <
2268  "only weak aliases are supported on darwin">;
2269def err_alias_to_undefined : Error<
2270  "alias must point to a defined variable or function">;
2271def warn_alias_to_weak_alias : Warning<
2272  "alias will always resolve to %0 even if weak definition of alias %1 is overridden">,
2273  InGroup<IgnoredAttributes>;
2274def warn_alias_with_section : Warning<
2275  "alias will not be in section '%0' but in the same section as the aliasee">,
2276  InGroup<IgnoredAttributes>;
2277def err_duplicate_mangled_name : Error<
2278  "definition with same mangled name as another definition">;
2279def err_cyclic_alias : Error<
2280  "alias definition is part of a cycle">;
2281def warn_attribute_wrong_decl_type : Warning<
2282  "%0 attribute only applies to %select{functions|unions|"
2283  "variables and functions|functions and methods|parameters|"
2284  "functions, methods and blocks|functions, methods, and classes|"
2285  "functions, methods, and parameters|classes|enums|variables|methods|"
2286  "variables, functions and labels|fields and global variables|structs|"
2287  "variables and typedefs|thread-local variables|"
2288  "variables and fields|variables, data members and tag types|"
2289  "types and namespaces|Objective-C interfaces|methods and properties|"
2290  "struct or union|struct, union or class|types|"
2291  "Objective-C instance methods|init methods of interface or class extension declarations|"
2292  "variables, functions and classes|Objective-C protocols|"
2293  "functions and global variables|structs, unions, and typedefs|structs and typedefs|"
2294  "interface or protocol declarations|kernel functions}1">,
2295  InGroup<IgnoredAttributes>;
2296def err_attribute_wrong_decl_type : Error<warn_attribute_wrong_decl_type.Text>;
2297def warn_type_attribute_wrong_type : Warning<
2298  "'%0' only applies to %select{function|pointer|"
2299  "Objective-C object or block pointer}1 types; type here is %2">,
2300  InGroup<IgnoredAttributes>;
2301def warn_incomplete_encoded_type : Warning<
2302  "encoding of %0 type is incomplete because %1 component has unknown encoding">,
2303  InGroup<DiagGroup<"encode-type">>;
2304def warn_attribute_requires_functions_or_static_globals : Warning<
2305  "%0 only applies to variables with static storage duration and functions">,
2306  InGroup<IgnoredAttributes>;
2307def warn_gnu_inline_attribute_requires_inline : Warning<
2308  "'gnu_inline' attribute requires function to be marked 'inline',"
2309  " attribute ignored">,
2310  InGroup<IgnoredAttributes>;
2311def err_attribute_vecreturn_only_vector_member : Error<
2312  "the vecreturn attribute can only be used on a class or structure with one member, which must be a vector">;
2313def err_attribute_vecreturn_only_pod_record : Error<
2314  "the vecreturn attribute can only be used on a POD (plain old data) class or structure (i.e. no virtual functions)">;
2315def err_cconv_change : Error<
2316  "function declared '%0' here was previously declared "
2317  "%select{'%2'|without calling convention}1">;
2318def warn_cconv_ignored : Warning<
2319  "calling convention %0 ignored for this target">, InGroup<IgnoredAttributes>;
2320def err_cconv_knr : Error<
2321  "function with no prototype cannot use the %0 calling convention">;
2322def warn_cconv_knr : Warning<
2323  err_cconv_knr.Text>,
2324  InGroup<DiagGroup<"missing-prototype-for-cc">>;
2325def err_cconv_varargs : Error<
2326  "variadic function cannot use %0 calling convention">;
2327def warn_cconv_varargs : Warning<
2328  "%0 calling convention ignored on variadic function">,
2329  InGroup<IgnoredAttributes>;
2330def err_regparm_mismatch : Error<"function declared with regparm(%0) "
2331  "attribute was previously declared "
2332  "%plural{0:without the regparm|:with the regparm(%1)}1 attribute">;
2333def err_returns_retained_mismatch : Error<
2334  "function declared with the ns_returns_retained attribute "
2335  "was previously declared without the ns_returns_retained attribute">;
2336def err_objc_precise_lifetime_bad_type : Error<
2337  "objc_precise_lifetime only applies to retainable types; type here is %0">;
2338def warn_objc_precise_lifetime_meaningless : Error<
2339  "objc_precise_lifetime is not meaningful for "
2340  "%select{__unsafe_unretained|__autoreleasing}0 objects">;
2341def err_invalid_pcs : Error<"invalid PCS type">;
2342def warn_attribute_not_on_decl : Warning<
2343  "%0 attribute ignored when parsing type">, InGroup<IgnoredAttributes>;
2344def err_base_specifier_attribute : Error<
2345  "%0 attribute cannot be applied to a base specifier">;
2346
2347// Availability attribute
2348def warn_availability_unknown_platform : Warning<
2349  "unknown platform %0 in availability macro">, InGroup<Availability>;
2350def warn_availability_version_ordering : Warning<
2351  "feature cannot be %select{introduced|deprecated|obsoleted}0 in %1 version "
2352  "%2 before it was %select{introduced|deprecated|obsoleted}3 in version %4; "
2353  "attribute ignored">, InGroup<Availability>;
2354def warn_mismatched_availability: Warning<
2355  "availability does not match previous declaration">, InGroup<Availability>;
2356def warn_mismatched_availability_override : Warning<
2357  "overriding method %select{introduced after|"
2358  "deprecated before|obsoleted before}0 overridden method on %1 (%2 vs. %3)">,
2359  InGroup<Availability>;
2360def warn_mismatched_availability_override_unavail : Warning<
2361  "overriding method cannot be unavailable on %0 when its overridden method is "
2362  "available">,
2363  InGroup<Availability>;
2364def note_overridden_method : Note<
2365  "overridden method is here">;
2366
2367// Thread Safety Attributes
2368def warn_invalid_capability_name : Warning<
2369  "invalid capability name '%0'; capability name must be 'mutex' or 'role'">,
2370  InGroup<ThreadSafetyAttributes>, DefaultIgnore;
2371def warn_thread_attribute_ignored : Warning<
2372  "ignoring %0 attribute because its argument is invalid">,
2373  InGroup<ThreadSafetyAttributes>, DefaultIgnore;
2374def warn_thread_attribute_argument_not_lockable : Warning<
2375  "%0 attribute requires arguments whose type is annotated "
2376  "with 'capability' attribute; type here is %1">,
2377  InGroup<ThreadSafetyAttributes>, DefaultIgnore;
2378def warn_thread_attribute_decl_not_lockable : Warning<
2379  "%0 attribute can only be applied in a context annotated "
2380  "with 'capability(\"mutex\")' attribute">,
2381  InGroup<ThreadSafetyAttributes>, DefaultIgnore;
2382def warn_thread_attribute_decl_not_pointer : Warning<
2383  "%0 only applies to pointer types; type here is %1">,
2384  InGroup<ThreadSafetyAttributes>, DefaultIgnore;
2385def err_attribute_argument_out_of_range : Error<
2386  "%0 attribute parameter %1 is out of bounds: "
2387  "%plural{0:no parameters to index into|"
2388  "1:can only be 1, since there is one parameter|"
2389  ":must be between 1 and %2}2">;
2390
2391// Thread Safety Analysis
2392def warn_unlock_but_no_lock : Warning<"releasing %0 '%1' that was not held">,
2393  InGroup<ThreadSafetyAnalysis>, DefaultIgnore;
2394def warn_unlock_kind_mismatch : Warning<
2395  "releasing %0 '%1' using %select{shared|exclusive}2 access, expected "
2396  "%select{shared|exclusive}3 access">,
2397  InGroup<ThreadSafetyAnalysis>, DefaultIgnore;
2398def warn_double_lock : Warning<"acquiring %0 '%1' that is already held">,
2399  InGroup<ThreadSafetyAnalysis>, DefaultIgnore;
2400def warn_no_unlock : Warning<
2401  "%0 '%1' is still held at the end of function">,
2402  InGroup<ThreadSafetyAnalysis>, DefaultIgnore;
2403def warn_expecting_locked : Warning<
2404  "expecting %0 '%1' to be held at the end of function">,
2405  InGroup<ThreadSafetyAnalysis>, DefaultIgnore;
2406// FIXME: improve the error message about locks not in scope
2407def warn_lock_some_predecessors : Warning<
2408  "%0 '%1' is not held on every path through here">,
2409  InGroup<ThreadSafetyAnalysis>, DefaultIgnore;
2410def warn_expecting_lock_held_on_loop : Warning<
2411  "expecting %0 '%1' to be held at start of each loop">,
2412  InGroup<ThreadSafetyAnalysis>, DefaultIgnore;
2413def note_locked_here : Note<"%0 acquired here">;
2414def warn_lock_exclusive_and_shared : Warning<
2415  "%0 '%1' is acquired exclusively and shared in the same scope">,
2416  InGroup<ThreadSafetyAnalysis>, DefaultIgnore;
2417def note_lock_exclusive_and_shared : Note<
2418  "the other acquisition of %0 '%1' is here">;
2419def warn_variable_requires_any_lock : Warning<
2420  "%select{reading|writing}1 variable '%0' requires holding "
2421  "%select{any mutex|any mutex exclusively}1">,
2422  InGroup<ThreadSafetyAnalysis>, DefaultIgnore;
2423def warn_var_deref_requires_any_lock : Warning<
2424  "%select{reading|writing}1 the value pointed to by '%0' requires holding "
2425  "%select{any mutex|any mutex exclusively}1">,
2426  InGroup<ThreadSafetyAnalysis>, DefaultIgnore;
2427def warn_fun_excludes_mutex : Warning<
2428  "cannot call function '%1' while %0 '%2' is held">,
2429  InGroup<ThreadSafetyAnalysis>, DefaultIgnore;
2430def warn_cannot_resolve_lock : Warning<
2431  "cannot resolve lock expression">,
2432  InGroup<ThreadSafetyAnalysis>, DefaultIgnore;
2433def warn_acquired_before : Warning<
2434  "%0 '%1' must be acquired before '%2'">,
2435  InGroup<ThreadSafetyAnalysis>, DefaultIgnore;
2436def warn_acquired_before_after_cycle : Warning<
2437  "Cycle in acquired_before/after dependencies, starting with '%0'">,
2438  InGroup<ThreadSafetyAnalysis>, DefaultIgnore;
2439
2440
2441// Thread safety warnings negative capabilities
2442def warn_acquire_requires_negative_cap : Warning<
2443  "acquiring %0 '%1' requires negative capability '%2'">,
2444  InGroup<ThreadSafetyNegative>, DefaultIgnore;
2445
2446// Thread safety warnings on pass by reference
2447def warn_guarded_pass_by_reference : Warning<
2448  "passing variable '%1' by reference requires holding %0 "
2449  "%select{'%2'|'%2' exclusively}3">,
2450  InGroup<ThreadSafetyReference>, DefaultIgnore;
2451def warn_pt_guarded_pass_by_reference : Warning<
2452  "passing the value that '%1' points to by reference requires holding %0 "
2453  "%select{'%2'|'%2' exclusively}3">,
2454  InGroup<ThreadSafetyReference>, DefaultIgnore;
2455
2456// Imprecise thread safety warnings
2457def warn_variable_requires_lock : Warning<
2458  "%select{reading|writing}3 variable '%1' requires holding %0 "
2459  "%select{'%2'|'%2' exclusively}3">,
2460  InGroup<ThreadSafetyAnalysis>, DefaultIgnore;
2461def warn_var_deref_requires_lock : Warning<
2462  "%select{reading|writing}3 the value pointed to by '%1' requires "
2463  "holding %0 %select{'%2'|'%2' exclusively}3">,
2464  InGroup<ThreadSafetyAnalysis>, DefaultIgnore;
2465def warn_fun_requires_lock : Warning<
2466  "calling function '%1' requires holding %0 %select{'%2'|'%2' exclusively}3">,
2467  InGroup<ThreadSafetyAnalysis>, DefaultIgnore;
2468
2469// Precise thread safety warnings
2470def warn_variable_requires_lock_precise :
2471  Warning<warn_variable_requires_lock.Text>,
2472  InGroup<ThreadSafetyPrecise>, DefaultIgnore;
2473def warn_var_deref_requires_lock_precise :
2474  Warning<warn_var_deref_requires_lock.Text>,
2475  InGroup<ThreadSafetyPrecise>, DefaultIgnore;
2476def warn_fun_requires_lock_precise :
2477  Warning<warn_fun_requires_lock.Text>,
2478  InGroup<ThreadSafetyPrecise>, DefaultIgnore;
2479def note_found_mutex_near_match : Note<"found near match '%0'">;
2480
2481// Verbose thread safety warnings
2482def warn_thread_safety_verbose : Warning<"Thread safety verbose warning.">,
2483  InGroup<ThreadSafetyVerbose>, DefaultIgnore;
2484def note_thread_warning_in_fun : Note<"Thread warning in function '%0'">;
2485def note_guarded_by_declared_here : Note<"Guarded_by declared here.">;
2486
2487// Dummy warning that will trigger "beta" warnings from the analysis if enabled.
2488def warn_thread_safety_beta : Warning<"Thread safety beta warning.">,
2489  InGroup<ThreadSafetyBeta>, DefaultIgnore;
2490
2491// Consumed warnings
2492def warn_use_in_invalid_state : Warning<
2493  "invalid invocation of method '%0' on object '%1' while it is in the '%2' "
2494  "state">, InGroup<Consumed>, DefaultIgnore;
2495def warn_use_of_temp_in_invalid_state : Warning<
2496  "invalid invocation of method '%0' on a temporary object while it is in the "
2497  "'%1' state">, InGroup<Consumed>, DefaultIgnore;
2498def warn_attr_on_unconsumable_class : Warning<
2499  "consumed analysis attribute is attached to member of class '%0' which isn't "
2500  "marked as consumable">, InGroup<Consumed>, DefaultIgnore;
2501def warn_return_typestate_for_unconsumable_type : Warning<
2502  "return state set for an unconsumable type '%0'">, InGroup<Consumed>,
2503  DefaultIgnore;
2504def warn_return_typestate_mismatch : Warning<
2505  "return value not in expected state; expected '%0', observed '%1'">,
2506  InGroup<Consumed>, DefaultIgnore;
2507def warn_loop_state_mismatch : Warning<
2508  "state of variable '%0' must match at the entry and exit of loop">,
2509  InGroup<Consumed>, DefaultIgnore;
2510def warn_param_return_typestate_mismatch : Warning<
2511  "parameter '%0' not in expected state when the function returns: expected "
2512  "'%1', observed '%2'">, InGroup<Consumed>, DefaultIgnore;
2513def warn_param_typestate_mismatch : Warning<
2514  "argument not in expected state; expected '%0', observed '%1'">,
2515  InGroup<Consumed>, DefaultIgnore;
2516
2517def warn_impcast_vector_scalar : Warning<
2518  "implicit conversion turns vector to scalar: %0 to %1">,
2519  InGroup<Conversion>, DefaultIgnore;
2520def warn_impcast_complex_scalar : Warning<
2521  "implicit conversion discards imaginary component: %0 to %1">,
2522  InGroup<Conversion>, DefaultIgnore;
2523def warn_impcast_float_precision : Warning<
2524  "implicit conversion loses floating-point precision: %0 to %1">,
2525  InGroup<Conversion>, DefaultIgnore;
2526def warn_impcast_float_integer : Warning<
2527  "implicit conversion turns floating-point number into integer: %0 to %1">,
2528  InGroup<FloatConversion>, DefaultIgnore;
2529def warn_impcast_integer_sign : Warning<
2530  "implicit conversion changes signedness: %0 to %1">,
2531  InGroup<SignConversion>, DefaultIgnore;
2532def warn_impcast_integer_sign_conditional : Warning<
2533  "operand of ? changes signedness: %0 to %1">,
2534  InGroup<SignConversion>, DefaultIgnore;
2535def warn_impcast_integer_precision : Warning<
2536  "implicit conversion loses integer precision: %0 to %1">,
2537  InGroup<Conversion>, DefaultIgnore;
2538def warn_impcast_integer_64_32 : Warning<
2539  "implicit conversion loses integer precision: %0 to %1">,
2540  InGroup<Shorten64To32>, DefaultIgnore;
2541def warn_impcast_integer_precision_constant : Warning<
2542  "implicit conversion from %2 to %3 changes value from %0 to %1">,
2543  InGroup<ConstantConversion>;
2544def warn_impcast_bitfield_precision_constant : Warning<
2545  "implicit truncation from %2 to bitfield changes value from %0 to %1">,
2546  InGroup<BitFieldConstantConversion>;
2547def warn_impcast_literal_float_to_integer : Warning<
2548  "implicit conversion from %0 to %1 changes value from %2 to %3">,
2549  InGroup<LiteralConversion>;
2550def warn_impcast_string_literal_to_bool : Warning<
2551  "implicit conversion turns string literal into bool: %0 to %1">,
2552  InGroup<StringConversion>, DefaultIgnore;
2553def warn_impcast_different_enum_types : Warning<
2554  "implicit conversion from enumeration type %0 to different enumeration type "
2555  "%1">, InGroup<EnumConversion>;
2556def warn_impcast_bool_to_null_pointer : Warning<
2557    "initialization of pointer of type %0 to null from a constant boolean "
2558    "expression">, InGroup<BoolConversion>;
2559def warn_non_literal_null_pointer : Warning<
2560    "expression which evaluates to zero treated as a null pointer constant of "
2561    "type %0">, InGroup<NonLiteralNullConversion>;
2562def warn_impcast_null_pointer_to_integer : Warning<
2563    "implicit conversion of %select{NULL|nullptr}0 constant to %1">,
2564    InGroup<NullConversion>;
2565def warn_impcast_floating_point_to_bool : Warning<
2566    "implicit conversion turns floating-point number into bool: %0 to %1">,
2567    InGroup<ImplicitConversionFloatingPointToBool>;
2568
2569def warn_impcast_pointer_to_bool : Warning<
2570    "address of%select{| function| array}0 '%1' will always evaluate to "
2571    "'true'">,
2572    InGroup<PointerBoolConversion>;
2573def warn_cast_nonnull_to_bool : Warning<
2574    "nonnull parameter '%0' will evaluate to "
2575    "'true' on first encounter">,
2576    InGroup<PointerBoolConversion>;
2577def warn_this_bool_conversion : Warning<
2578  "'this' pointer cannot be null in well-defined C++ code; pointer may be "
2579  "assumed to always convert to true">, InGroup<UndefinedBoolConversion>;
2580def warn_address_of_reference_bool_conversion : Warning<
2581  "reference cannot be bound to dereferenced null pointer in well-defined C++ "
2582  "code; pointer may be assumed to always convert to true">,
2583  InGroup<UndefinedBoolConversion>;
2584
2585def warn_null_pointer_compare : Warning<
2586    "comparison of %select{address of|function|array}0 '%1' %select{not |}2"
2587    "equal to a null pointer is always %select{true|false}2">,
2588    InGroup<TautologicalPointerCompare>;
2589def warn_nonnull_parameter_compare : Warning<
2590    "comparison of nonnull parameter '%0' %select{not |}1"
2591    "equal to a null pointer is %select{true|false}1 on first encounter">,
2592    InGroup<TautologicalPointerCompare>;
2593def warn_this_null_compare : Warning<
2594  "'this' pointer cannot be null in well-defined C++ code; comparison may be "
2595  "assumed to always evaluate to %select{true|false}0">,
2596  InGroup<TautologicalUndefinedCompare>;
2597def warn_address_of_reference_null_compare : Warning<
2598  "reference cannot be bound to dereferenced null pointer in well-defined C++ "
2599  "code; comparison may be assumed to always evaluate to "
2600  "%select{true|false}0">,
2601  InGroup<TautologicalUndefinedCompare>;
2602def note_reference_is_return_value : Note<"%0 returns a reference">;
2603
2604def note_function_warning_silence : Note<
2605    "prefix with the address-of operator to silence this warning">;
2606def note_function_to_function_call : Note<
2607    "suffix with parentheses to turn this into a function call">;
2608def warn_impcast_objective_c_literal_to_bool : Warning<
2609    "implicit boolean conversion of Objective-C object literal always "
2610    "evaluates to true">,
2611    InGroup<ObjCLiteralConversion>;
2612
2613def warn_cast_align : Warning<
2614  "cast from %0 to %1 increases required alignment from %2 to %3">,
2615  InGroup<CastAlign>, DefaultIgnore;
2616def warn_old_style_cast : Warning<
2617  "use of old-style cast">, InGroup<OldStyleCast>, DefaultIgnore;
2618
2619// Separate between casts to void* and non-void* pointers.
2620// Some APIs use (abuse) void* for something like a user context,
2621// and often that value is an integer even if it isn't a pointer itself.
2622// Having a separate warning flag allows users to control the warning
2623// for their workflow.
2624def warn_int_to_pointer_cast : Warning<
2625  "cast to %1 from smaller integer type %0">,
2626  InGroup<IntToPointerCast>;
2627def warn_int_to_void_pointer_cast : Warning<
2628  "cast to %1 from smaller integer type %0">,
2629  InGroup<IntToVoidPointerCast>;
2630
2631def warn_attribute_ignored_for_field_of_type : Warning<
2632  "%0 attribute ignored for field of type %1">,
2633  InGroup<IgnoredAttributes>;
2634def warn_transparent_union_attribute_field_size_align : Warning<
2635  "%select{alignment|size}0 of field %1 (%2 bits) does not match the "
2636  "%select{alignment|size}0 of the first field in transparent union; "
2637  "transparent_union attribute ignored">,
2638  InGroup<IgnoredAttributes>;
2639def note_transparent_union_first_field_size_align : Note<
2640  "%select{alignment|size}0 of first field is %1 bits">;
2641def warn_transparent_union_attribute_not_definition : Warning<
2642  "transparent_union attribute can only be applied to a union definition; "
2643  "attribute ignored">,
2644  InGroup<IgnoredAttributes>;
2645def warn_transparent_union_attribute_floating : Warning<
2646  "first field of a transparent union cannot have %select{floating point|"
2647  "vector}0 type %1; transparent_union attribute ignored">,
2648  InGroup<IgnoredAttributes>;
2649def warn_transparent_union_attribute_zero_fields : Warning<
2650  "transparent union definition must contain at least one field; "
2651  "transparent_union attribute ignored">,
2652  InGroup<IgnoredAttributes>;
2653def warn_attribute_type_not_supported : Warning<
2654  "%0 attribute argument not supported: %1">,
2655  InGroup<IgnoredAttributes>;
2656def warn_attribute_unknown_visibility : Warning<"unknown visibility %0">,
2657  InGroup<IgnoredAttributes>;
2658def warn_attribute_protected_visibility :
2659  Warning<"target does not support 'protected' visibility; using 'default'">,
2660  InGroup<DiagGroup<"unsupported-visibility">>;
2661def err_mismatched_visibility: Error<"visibility does not match previous declaration">;
2662def note_previous_attribute : Note<"previous attribute is here">;
2663def note_conflicting_attribute : Note<"conflicting attribute is here">;
2664def note_attribute : Note<"attribute is here">;
2665def err_mismatched_ms_inheritance : Error<
2666  "inheritance model does not match %select{definition|previous declaration}0">;
2667def warn_ignored_ms_inheritance : Warning<
2668  "inheritance model ignored on %select{primary template|partial specialization}0">,
2669  InGroup<IgnoredAttributes>;
2670def note_previous_ms_inheritance : Note<
2671  "previous inheritance model specified here">;
2672def err_machine_mode : Error<"%select{unknown|unsupported}0 machine mode %1">;
2673def err_mode_not_primitive : Error<
2674  "mode attribute only supported for integer and floating-point types">;
2675def err_mode_wrong_type : Error<
2676  "type of machine mode does not match type of base type">;
2677def err_attr_wrong_decl : Error<
2678  "%0 attribute invalid on this declaration, requires typedef or value">;
2679def warn_attribute_nonnull_no_pointers : Warning<
2680  "'nonnull' attribute applied to function with no pointer arguments">,
2681  InGroup<IgnoredAttributes>;
2682def warn_attribute_nonnull_parm_no_args : Warning<
2683  "'nonnull' attribute when used on parameters takes no arguments">,
2684  InGroup<IgnoredAttributes>;
2685def warn_attribute_sentinel_named_arguments : Warning<
2686  "'sentinel' attribute requires named arguments">,
2687  InGroup<IgnoredAttributes>;
2688def warn_attribute_sentinel_not_variadic : Warning<
2689  "'sentinel' attribute only supported for variadic %select{functions|blocks}0">,
2690  InGroup<IgnoredAttributes>;
2691def err_attribute_sentinel_less_than_zero : Error<
2692  "'sentinel' parameter 1 less than zero">;
2693def err_attribute_sentinel_not_zero_or_one : Error<
2694  "'sentinel' parameter 2 not 0 or 1">;
2695def warn_cleanup_ext : Warning<
2696  "GCC does not allow the 'cleanup' attribute argument to be anything other "
2697  "than a simple identifier">,
2698  InGroup<GccCompat>;
2699def err_attribute_cleanup_arg_not_function : Error<
2700  "'cleanup' argument %select{|%1 |%1 }0is not a %select{||single }0function">;
2701def err_attribute_cleanup_func_must_take_one_arg : Error<
2702  "'cleanup' function %0 must take 1 parameter">;
2703def err_attribute_cleanup_func_arg_incompatible_type : Error<
2704  "'cleanup' function %0 parameter has "
2705  "%diff{type $ which is incompatible with type $|incompatible type}1,2">;
2706def err_attribute_regparm_wrong_platform : Error<
2707  "'regparm' is not valid on this platform">;
2708def err_attribute_regparm_invalid_number : Error<
2709  "'regparm' parameter must be between 0 and %0 inclusive">;
2710def err_attribute_not_supported_in_lang : Error<
2711  "%0 attribute is not supported in %select{C|C++|Objective-C}1">;
2712
2713
2714// Clang-Specific Attributes
2715def warn_attribute_iboutlet : Warning<
2716  "%0 attribute can only be applied to instance variables or properties">,
2717  InGroup<IgnoredAttributes>;
2718def err_iboutletcollection_type : Error<
2719  "invalid type %0 as argument of iboutletcollection attribute">;
2720def err_iboutletcollection_builtintype : Error<
2721  "type argument of iboutletcollection attribute cannot be a builtin type">;
2722def warn_iboutlet_object_type : Warning<
2723  "%select{instance variable|property}2 with %0 attribute must "
2724  "be an object type (invalid %1)">, InGroup<ObjCInvalidIBOutletProperty>;
2725def warn_iboutletcollection_property_assign : Warning<
2726  "IBOutletCollection properties should be copy/strong and not assign">,
2727  InGroup<ObjCInvalidIBOutletProperty>;
2728
2729def err_attribute_overloadable_missing : Error<
2730  "%select{overloaded function|redeclaration of}0 %1 must have the "
2731  "'overloadable' attribute">;
2732def note_attribute_overloadable_prev_overload : Note<
2733  "previous overload of function is here">;
2734def err_attribute_overloadable_no_prototype : Error<
2735  "'overloadable' function %0 must have a prototype">;
2736def warn_ns_attribute_wrong_return_type : Warning<
2737  "%0 attribute only applies to %select{functions|methods|properties}1 that "
2738  "return %select{an Objective-C object|a pointer|a non-retainable pointer}2">,
2739  InGroup<IgnoredAttributes>;
2740def warn_ns_attribute_wrong_parameter_type : Warning<
2741  "%0 attribute only applies to %select{Objective-C object|pointer}1 "
2742  "parameters">,
2743  InGroup<IgnoredAttributes>;
2744def warn_objc_requires_super_protocol : Warning<
2745  "%0 attribute cannot be applied to %select{methods in protocols|dealloc}1">,
2746  InGroup<DiagGroup<"requires-super-attribute">>;
2747def note_protocol_decl : Note<
2748  "protocol is declared here">;
2749def note_protocol_decl_undefined : Note<
2750  "protocol %0 has no definition">;
2751
2752// objc_designated_initializer attribute diagnostics.
2753def warn_objc_designated_init_missing_super_call : Warning<
2754  "designated initializer missing a 'super' call to a designated initializer of the super class">,
2755  InGroup<ObjCDesignatedInit>;
2756def note_objc_designated_init_marked_here : Note<
2757  "method marked as designated initializer of the class here">;
2758def warn_objc_designated_init_non_super_designated_init_call : Warning<
2759  "designated initializer should only invoke a designated initializer on 'super'">,
2760  InGroup<ObjCDesignatedInit>;
2761def warn_objc_designated_init_non_designated_init_call : Warning<
2762  "designated initializer invoked a non-designated initializer">,
2763  InGroup<ObjCDesignatedInit>;
2764def warn_objc_secondary_init_super_init_call : Warning<
2765  "convenience initializer should not invoke an initializer on 'super'">,
2766  InGroup<ObjCDesignatedInit>;
2767def warn_objc_secondary_init_missing_init_call : Warning<
2768  "convenience initializer missing a 'self' call to another initializer">,
2769  InGroup<ObjCDesignatedInit>;
2770def warn_objc_implementation_missing_designated_init_override : Warning<
2771  "method override for the designated initializer of the superclass %objcinstance0 not found">,
2772  InGroup<ObjCDesignatedInit>;
2773
2774// objc_bridge attribute diagnostics.
2775def err_objc_attr_not_id : Error<
2776  "parameter of %0 attribute must be a single name of an Objective-C %select{class|protocol}1">;
2777def err_objc_attr_typedef_not_id : Error<
2778  "parameter of %0 attribute must be 'id' when used on a typedef">;
2779def err_objc_attr_typedef_not_void_pointer : Error<
2780  "'objc_bridge(id)' is only allowed on structs and typedefs of void pointers">;
2781def err_objc_cf_bridged_not_interface : Error<
2782  "CF object of type %0 is bridged to %1, which is not an Objective-C class">;
2783def err_objc_ns_bridged_invalid_cfobject : Error<
2784  "ObjectiveC object of type %0 is bridged to %1, which is not valid CF object">;
2785def warn_objc_invalid_bridge : Warning<
2786  "%0 bridges to %1, not %2">, InGroup<ObjCBridge>;
2787def warn_objc_invalid_bridge_to_cf : Warning<
2788  "%0 cannot bridge to %1">, InGroup<ObjCBridge>;
2789
2790// objc_bridge_related attribute diagnostics.
2791def err_objc_bridged_related_invalid_class : Error<
2792  "could not find Objective-C class %0 to convert %1 to %2">;
2793def err_objc_bridged_related_invalid_class_name : Error<
2794  "%0 must be name of an Objective-C class to be able to convert %1 to %2">;
2795def err_objc_bridged_related_known_method : Error<
2796 "%0 must be explicitly converted to %1; use %select{%objcclass2|%objcinstance2}3 "
2797 "method for this conversion">;
2798
2799def err_objc_attr_protocol_requires_definition : Error<
2800  "attribute %0 can only be applied to @protocol definitions, not forward declarations">;
2801
2802// Function Parameter Semantic Analysis.
2803def err_param_with_void_type : Error<"argument may not have 'void' type">;
2804def err_void_only_param : Error<
2805  "'void' must be the first and only parameter if specified">;
2806def err_void_param_qualified : Error<
2807  "'void' as parameter must not have type qualifiers">;
2808def err_ident_list_in_fn_declaration : Error<
2809  "a parameter list without types is only allowed in a function definition">;
2810def ext_param_not_declared : Extension<
2811  "parameter %0 was not declared, defaulting to type 'int'">;
2812def err_param_default_argument : Error<
2813  "C does not support default arguments">;
2814def err_param_default_argument_redefinition : Error<
2815  "redefinition of default argument">;
2816def ext_param_default_argument_redefinition : ExtWarn<
2817  "redefinition of default argument">, InGroup<Microsoft>;
2818def err_param_default_argument_missing : Error<
2819  "missing default argument on parameter">;
2820def err_param_default_argument_missing_name : Error<
2821  "missing default argument on parameter %0">;
2822def err_param_default_argument_references_param : Error<
2823  "default argument references parameter %0">;
2824def err_param_default_argument_references_local : Error<
2825  "default argument references local variable %0 of enclosing function">;
2826def err_param_default_argument_references_this : Error<
2827  "default argument references 'this'">;
2828def err_param_default_argument_nonfunc : Error<
2829  "default arguments can only be specified for parameters in a function "
2830  "declaration">;
2831def err_param_default_argument_template_redecl : Error<
2832  "default arguments cannot be added to a function template that has already "
2833  "been declared">;
2834def err_param_default_argument_member_template_redecl : Error<
2835  "default arguments cannot be added to an out-of-line definition of a member "
2836  "of a %select{class template|class template partial specialization|nested "
2837  "class in a template}0">;
2838def err_param_default_argument_on_parameter_pack : Error<
2839  "parameter pack cannot have a default argument">;
2840def err_uninitialized_member_for_assign : Error<
2841  "cannot define the implicit copy assignment operator for %0, because "
2842  "non-static %select{reference|const}1 member %2 can't use copy "
2843  "assignment operator">;
2844def err_uninitialized_member_in_ctor : Error<
2845  "%select{|implicit default |inheriting }0constructor for %1 must explicitly "
2846  "initialize the %select{reference|const}2 member %3">;
2847def err_default_arg_makes_ctor_special : Error<
2848  "addition of default argument on redeclaration makes this constructor a "
2849  "%select{default|copy|move}0 constructor">;
2850
2851def err_use_of_default_argument_to_function_declared_later : Error<
2852  "use of default argument to function %0 that is declared later in class %1">;
2853def note_default_argument_declared_here : Note<
2854  "default argument declared here">;
2855
2856def ext_param_promoted_not_compatible_with_prototype : ExtWarn<
2857  "%diff{promoted type $ of K&R function parameter is not compatible with the "
2858  "parameter type $|promoted type of K&R function parameter is not compatible "
2859  "with parameter type}0,1 declared in a previous prototype">,
2860  InGroup<KNRPromotedParameter>;
2861
2862
2863// C++ Overloading Semantic Analysis.
2864def err_ovl_diff_return_type : Error<
2865  "functions that differ only in their return type cannot be overloaded">;
2866def err_ovl_static_nonstatic_member : Error<
2867  "static and non-static member functions with the same parameter types "
2868  "cannot be overloaded">;
2869
2870def err_ovl_no_viable_function_in_call : Error<
2871  "no matching function for call to %0">;
2872def err_ovl_no_viable_member_function_in_call : Error<
2873  "no matching member function for call to %0">;
2874def err_ovl_ambiguous_call : Error<
2875  "call to %0 is ambiguous">;
2876def err_ovl_deleted_call : Error<
2877  "call to %select{unavailable|deleted}0 function %1%2">;
2878def err_ovl_ambiguous_member_call : Error<
2879  "call to member function %0 is ambiguous">;
2880def err_ovl_deleted_member_call : Error<
2881  "call to %select{unavailable|deleted}0 member function %1%2">;
2882def note_ovl_too_many_candidates : Note<
2883    "remaining %0 candidate%s0 omitted; "
2884    "pass -fshow-overloads=all to show them">;
2885def note_ovl_candidate : Note<"candidate "
2886    "%select{function|function|constructor|"
2887    "function |function |constructor |"
2888    "is the implicit default constructor|"
2889    "is the implicit copy constructor|"
2890    "is the implicit move constructor|"
2891    "is the implicit copy assignment operator|"
2892    "is the implicit move assignment operator|"
2893    "is an inherited constructor}0%1"
2894    "%select{| has different class%diff{ (expected $ but has $)|}3,4"
2895    "| has different number of parameters (expected %3 but has %4)"
2896    "| has type mismatch at %ordinal3 parameter"
2897    "%diff{ (expected $ but has $)|}4,5"
2898    "| has different return type%diff{ ($ expected but has $)|}3,4"
2899    "| has different qualifiers (expected "
2900    "%select{none|const|restrict|const and restrict|volatile|const and volatile"
2901    "|volatile and restrict|const, volatile, and restrict}3 but found "
2902    "%select{none|const|restrict|const and restrict|volatile|const and volatile"
2903    "|volatile and restrict|const, volatile, and restrict}4)}2">;
2904
2905def note_ovl_candidate_inherited_constructor : Note<"inherited from here">;
2906def note_ovl_candidate_illegal_constructor : Note<
2907    "candidate %select{constructor|template}0 ignored: "
2908    "instantiation %select{takes|would take}0 its own class type by value">;
2909def note_ovl_candidate_bad_deduction : Note<
2910    "candidate template ignored: failed template argument deduction">;
2911def note_ovl_candidate_incomplete_deduction : Note<"candidate template ignored: "
2912    "couldn't infer template argument %0">;
2913def note_ovl_candidate_inconsistent_deduction : Note<
2914    "candidate template ignored: deduced conflicting %select{types|values|"
2915    "templates}0 for parameter %1%diff{ ($ vs. $)|}2,3">;
2916def note_ovl_candidate_explicit_arg_mismatch_named : Note<
2917    "candidate template ignored: invalid explicitly-specified argument "
2918    "for template parameter %0">;
2919def note_ovl_candidate_explicit_arg_mismatch_unnamed : Note<
2920    "candidate template ignored: invalid explicitly-specified argument "
2921    "for %ordinal0 template parameter">;
2922def note_ovl_candidate_instantiation_depth : Note<
2923    "candidate template ignored: substitution exceeded maximum template "
2924    "instantiation depth">;
2925def note_ovl_candidate_underqualified : Note<
2926    "candidate template ignored: can't deduce a type for %0 that would "
2927    "make %2 equal %1">;
2928def note_ovl_candidate_substitution_failure : Note<
2929    "candidate template ignored: substitution failure%0%1">;
2930def note_ovl_candidate_disabled_by_enable_if : Note<
2931    "candidate template ignored: disabled by %0%1">;
2932def note_ovl_candidate_disabled_by_enable_if_attr : Note<
2933    "candidate disabled: %0">;
2934def note_ovl_candidate_failed_overload_resolution : Note<
2935    "candidate template ignored: couldn't resolve reference to overloaded "
2936    "function %0">;
2937def note_ovl_candidate_non_deduced_mismatch : Note<
2938    "candidate template ignored: could not match %diff{$ against $|types}0,1">;
2939// This note is needed because the above note would sometimes print two
2940// different types with the same name.  Remove this note when the above note
2941// can handle that case properly.
2942def note_ovl_candidate_non_deduced_mismatch_qualified : Note<
2943    "candidate template ignored: could not match %q0 against %q1">;
2944
2945// Note that we don't treat templates differently for this diagnostic.
2946def note_ovl_candidate_arity : Note<"candidate "
2947    "%select{function|function|constructor|function|function|constructor|"
2948    "constructor (the implicit default constructor)|"
2949    "constructor (the implicit copy constructor)|"
2950    "constructor (the implicit move constructor)|"
2951    "function (the implicit copy assignment operator)|"
2952    "function (the implicit move assignment operator)|"
2953    "constructor (inherited)}0 %select{|template }1"
2954    "not viable: requires%select{ at least| at most|}2 %3 argument%s3, but %4 "
2955    "%plural{1:was|:were}4 provided">;
2956
2957def note_ovl_candidate_arity_one : Note<"candidate "
2958    "%select{function|function|constructor|function|function|constructor|"
2959    "constructor (the implicit default constructor)|"
2960    "constructor (the implicit copy constructor)|"
2961    "constructor (the implicit move constructor)|"
2962    "function (the implicit copy assignment operator)|"
2963    "function (the implicit move assignment operator)|"
2964    "constructor (inherited)}0 %select{|template }1not viable: "
2965    "%select{requires at least|allows at most single|requires single}2 "
2966    "argument %3, but %plural{0:no|:%4}4 arguments were provided">;
2967
2968def note_ovl_candidate_deleted : Note<
2969    "candidate %select{function|function|constructor|"
2970    "function |function |constructor |"
2971    "constructor (the implicit default constructor)|"
2972    "constructor (the implicit copy constructor)|"
2973    "constructor (the implicit move constructor)|"
2974    "function (the implicit copy assignment operator)|"
2975    "function (the implicit move assignment operator)|"
2976    "constructor (inherited)}0%1 has been "
2977    "%select{explicitly made unavailable|explicitly deleted|"
2978    "implicitly deleted}2">;
2979
2980// Giving the index of the bad argument really clutters this message, and
2981// it's relatively unimportant because 1) it's generally obvious which
2982// argument(s) are of the given object type and 2) the fix is usually
2983// to complete the type, which doesn't involve changes to the call line
2984// anyway.  If people complain, we can change it.
2985def note_ovl_candidate_bad_conv_incomplete : Note<"candidate "
2986    "%select{function|function|constructor|"
2987    "function |function |constructor |"
2988    "constructor (the implicit default constructor)|"
2989    "constructor (the implicit copy constructor)|"
2990    "constructor (the implicit move constructor)|"
2991    "function (the implicit copy assignment operator)|"
2992    "function (the implicit move assignment operator)|"
2993    "constructor (inherited)}0%1 "
2994    "not viable: cannot convert argument of incomplete type "
2995    "%diff{$ to $|to parameter type}2,3">;
2996def note_ovl_candidate_bad_list_argument : Note<"candidate "
2997    "%select{function|function|constructor|"
2998    "function |function |constructor |"
2999    "constructor (the implicit default constructor)|"
3000    "constructor (the implicit copy constructor)|"
3001    "constructor (the implicit move constructor)|"
3002    "function (the implicit copy assignment operator)|"
3003    "function (the implicit move assignment operator)|"
3004    "constructor (inherited)}0%1 "
3005    "not viable: cannot convert initializer list argument to %3">;
3006def note_ovl_candidate_bad_overload : Note<"candidate "
3007    "%select{function|function|constructor|"
3008    "function |function |constructor |"
3009    "constructor (the implicit default constructor)|"
3010    "constructor (the implicit copy constructor)|"
3011    "constructor (the implicit move constructor)|"
3012    "function (the implicit copy assignment operator)|"
3013    "function (the implicit move assignment operator)|"
3014    "constructor (inherited)}0%1"
3015    " not viable: no overload of %3 matching %2 for %ordinal4 argument">;
3016def note_ovl_candidate_bad_conv : Note<"candidate "
3017    "%select{function|function|constructor|"
3018    "function |function |constructor |"
3019    "constructor (the implicit default constructor)|"
3020    "constructor (the implicit copy constructor)|"
3021    "constructor (the implicit move constructor)|"
3022    "function (the implicit copy assignment operator)|"
3023    "function (the implicit move assignment operator)|"
3024    "constructor (inherited)}0%1"
3025    " not viable: no known conversion "
3026    "%diff{from $ to $|from argument type to parameter type}2,3 for "
3027    "%select{%ordinal5 argument|object argument}4"
3028    "%select{|; dereference the argument with *|"
3029    "; take the address of the argument with &|"
3030    "; remove *|"
3031    "; remove &}6">;
3032def note_ovl_candidate_bad_arc_conv : Note<"candidate "
3033    "%select{function|function|constructor|"
3034    "function |function |constructor |"
3035    "constructor (the implicit default constructor)|"
3036    "constructor (the implicit copy constructor)|"
3037    "constructor (the implicit move constructor)|"
3038    "function (the implicit copy assignment operator)|"
3039    "function (the implicit move assignment operator)|"
3040    "constructor (inherited)}0%1"
3041    " not viable: cannot implicitly convert argument "
3042    "%diff{of type $ to $|type to parameter type}2,3 for "
3043    "%select{%ordinal5 argument|object argument}4 under ARC">;
3044def note_ovl_candidate_bad_lvalue : Note<"candidate "
3045    "%select{function|function|constructor|"
3046    "function |function |constructor |"
3047    "constructor (the implicit default constructor)|"
3048    "constructor (the implicit copy constructor)|"
3049    "constructor (the implicit move constructor)|"
3050    "function (the implicit copy assignment operator)|"
3051    "function (the implicit move assignment operator)|"
3052    "constructor (inherited)}0%1"
3053    " not viable: expects an l-value for "
3054    "%select{%ordinal3 argument|object argument}2">;
3055def note_ovl_candidate_bad_addrspace : Note<"candidate "
3056    "%select{function|function|constructor|"
3057    "function |function |constructor |"
3058    "constructor (the implicit default constructor)|"
3059    "constructor (the implicit copy constructor)|"
3060    "constructor (the implicit move constructor)|"
3061    "function (the implicit copy assignment operator)|"
3062    "function (the implicit move assignment operator)|"
3063    "constructor (inherited)}0%1 not viable: "
3064    "%select{%ordinal6|'this'}5 argument (%2) is in "
3065    "address space %3, but parameter must be in address space %4">;
3066def note_ovl_candidate_bad_gc : Note<"candidate "
3067    "%select{function|function|constructor|"
3068    "function |function |constructor |"
3069    "constructor (the implicit default constructor)|"
3070    "constructor (the implicit copy constructor)|"
3071    "constructor (the implicit move constructor)|"
3072    "function (the implicit copy assignment operator)|"
3073    "function (the implicit move assignment operator)|"
3074    "constructor (inherited)}0%1 not viable: "
3075    "%select{%ordinal6|'this'}5 argument (%2) has %select{no|__weak|__strong}3 "
3076    "ownership, but parameter has %select{no|__weak|__strong}4 ownership">;
3077def note_ovl_candidate_bad_ownership : Note<"candidate "
3078    "%select{function|function|constructor|"
3079    "function |function |constructor |"
3080    "constructor (the implicit default constructor)|"
3081    "constructor (the implicit copy constructor)|"
3082    "constructor (the implicit move constructor)|"
3083    "function (the implicit copy assignment operator)|"
3084    "function (the implicit move assignment operator)|"
3085    "constructor (inherited)}0%1 not viable: "
3086    "%select{%ordinal6|'this'}5 argument (%2) has "
3087    "%select{no|__unsafe_unretained|__strong|__weak|__autoreleasing}3 ownership,"
3088    " but parameter has %select{no|__unsafe_unretained|__strong|__weak|"
3089    "__autoreleasing}4 ownership">;
3090def note_ovl_candidate_bad_cvr_this : Note<"candidate "
3091    "%select{|function|||function|||||"
3092    "function (the implicit copy assignment operator)|"
3093    "function (the implicit move assignment operator)|}0 not viable: "
3094    "'this' argument has type %2, but method is not marked "
3095    "%select{const|restrict|const or restrict|volatile|const or volatile|"
3096    "volatile or restrict|const, volatile, or restrict}3">;
3097def note_ovl_candidate_bad_cvr : Note<"candidate "
3098    "%select{function|function|constructor|"
3099    "function |function |constructor |"
3100    "constructor (the implicit default constructor)|"
3101    "constructor (the implicit copy constructor)|"
3102    "constructor (the implicit move constructor)|"
3103    "function (the implicit copy assignment operator)|"
3104    "function (the implicit move assignment operator)|"
3105    "constructor (inherited)}0%1 not viable: "
3106    "%ordinal4 argument (%2) would lose "
3107    "%select{const|restrict|const and restrict|volatile|const and volatile|"
3108    "volatile and restrict|const, volatile, and restrict}3 qualifier"
3109    "%select{||s||s|s|s}3">;
3110def note_ovl_candidate_bad_base_to_derived_conv : Note<"candidate "
3111    "%select{function|function|constructor|"
3112    "function |function |constructor |"
3113    "constructor (the implicit default constructor)|"
3114    "constructor (the implicit copy constructor)|"
3115    "constructor (the implicit move constructor)|"
3116    "function (the implicit copy assignment operator)|"
3117    "function (the implicit move assignment operator)|"
3118    "constructor (inherited)}0%1"
3119    " not viable: cannot %select{convert from|convert from|bind}2 "
3120    "%select{base class pointer|superclass|base class object of type}2 %3 to "
3121    "%select{derived class pointer|subclass|derived class reference}2 %4 for "
3122    "%ordinal5 argument">;
3123def note_ovl_candidate_bad_target : Note<
3124    "candidate %select{function|function|constructor|"
3125    "function |function |constructor |"
3126    "constructor (the implicit default constructor)|"
3127    "constructor (the implicit copy constructor)|"
3128    "constructor (the implicit move constructor)|"
3129    "function (the implicit copy assignment operator)|"
3130    "function (the implicit move assignment operator)|"
3131    "constructor (inherited)}0 not viable: call to "
3132    "%select{__device__|__global__|__host__|__host__ __device__|invalid}1 function from"
3133    " %select{__device__|__global__|__host__|__host__ __device__|invalid}2 function">;
3134def note_implicit_member_target_infer_collision : Note<
3135    "implicit %select{"
3136    "default constructor|"
3137    "copy constructor|"
3138    "move constructor|"
3139    "copy assignment operator|"
3140    "move assignment operator|"
3141    "destructor}0 inferred target collision: call to both "
3142    "%select{__device__|__global__|__host__|__host__ __device__}1 and "
3143    "%select{__device__|__global__|__host__|__host__ __device__}2 members">;
3144
3145def note_ambiguous_type_conversion: Note<
3146    "because of ambiguity in conversion %diff{of $ to $|between types}0,1">;
3147def note_ovl_builtin_binary_candidate : Note<
3148    "built-in candidate %0">;
3149def note_ovl_builtin_unary_candidate : Note<
3150    "built-in candidate %0">;
3151def err_ovl_no_viable_function_in_init : Error<
3152  "no matching constructor for initialization of %0">;
3153def err_ovl_no_conversion_in_cast : Error<
3154  "cannot convert %1 to %2 without a conversion operator">;
3155def err_ovl_no_viable_conversion_in_cast : Error<
3156  "no matching conversion for %select{|static_cast|reinterpret_cast|"
3157  "dynamic_cast|C-style cast|functional-style cast}0 from %1 to %2">;
3158def err_ovl_ambiguous_conversion_in_cast : Error<
3159  "ambiguous conversion for %select{|static_cast|reinterpret_cast|"
3160  "dynamic_cast|C-style cast|functional-style cast}0 from %1 to %2">;
3161def err_ovl_deleted_conversion_in_cast : Error<
3162  "%select{|static_cast|reinterpret_cast|dynamic_cast|C-style cast|"
3163  "functional-style cast}0 from %1 to %2 uses deleted function">;
3164def err_ovl_ambiguous_init : Error<"call to constructor of %0 is ambiguous">;
3165def err_ref_init_ambiguous : Error<
3166  "reference initialization of type %0 with initializer of type %1 is ambiguous">;
3167def err_ovl_deleted_init : Error<
3168  "call to %select{unavailable|deleted}0 constructor of %1">;
3169def err_ovl_deleted_special_init : Error<
3170  "call to implicitly-deleted %select{default constructor|copy constructor|"
3171  "move constructor|copy assignment operator|move assignment operator|"
3172  "destructor|function}0 of %1">;
3173def err_ovl_ambiguous_oper_unary : Error<
3174  "use of overloaded operator '%0' is ambiguous (operand type %1)">;
3175def err_ovl_ambiguous_oper_binary : Error<
3176  "use of overloaded operator '%0' is ambiguous (with operand types %1 and %2)">;
3177def err_ovl_no_viable_oper : Error<"no viable overloaded '%0'">;
3178def note_assign_lhs_incomplete : Note<"type %0 is incomplete">;
3179def err_ovl_deleted_oper : Error<
3180  "overload resolution selected %select{unavailable|deleted}0 operator '%1'%2">;
3181def err_ovl_deleted_special_oper : Error<
3182  "object of type %0 cannot be %select{constructed|copied|moved|assigned|"
3183  "assigned|destroyed}1 because its %select{default constructor|"
3184  "copy constructor|move constructor|copy assignment operator|"
3185  "move assignment operator|destructor}1 is implicitly deleted">;
3186def err_ovl_no_viable_subscript :
3187    Error<"no viable overloaded operator[] for type %0">;
3188def err_ovl_no_oper :
3189    Error<"type %0 does not provide a %select{subscript|call}1 operator">;
3190def err_ovl_unresolvable : Error<
3191  "reference to overloaded function could not be resolved; "
3192  "did you mean to call it%select{| with no arguments}0?">;
3193def err_bound_member_function : Error<
3194  "reference to non-static member function must be called"
3195  "%select{|; did you mean to call it with no arguments?}0">;
3196def note_possible_target_of_call : Note<"possible target for call">;
3197
3198def err_ovl_no_viable_object_call : Error<
3199  "no matching function for call to object of type %0">;
3200def err_ovl_ambiguous_object_call : Error<
3201  "call to object of type %0 is ambiguous">;
3202def err_ovl_deleted_object_call : Error<
3203  "call to %select{unavailable|deleted}0 function call operator in type %1%2">;
3204def note_ovl_surrogate_cand : Note<"conversion candidate of type %0">;
3205def err_member_call_without_object : Error<
3206  "call to non-static member function without an object argument">;
3207
3208// C++ Address of Overloaded Function
3209def err_addr_ovl_no_viable : Error<
3210  "address of overloaded function %0 does not match required type %1">;
3211def err_addr_ovl_ambiguous : Error<
3212  "address of overloaded function %0 is ambiguous">;
3213def err_addr_ovl_not_func_ptrref : Error<
3214  "address of overloaded function %0 cannot be converted to type %1">;
3215def err_addr_ovl_no_qualifier : Error<
3216  "can't form member pointer of type %0 without '&' and class name">;
3217
3218// C++11 Literal Operators
3219def err_ovl_no_viable_literal_operator : Error<
3220  "no matching literal operator for call to %0"
3221  "%select{| with argument of type %2| with arguments of types %2 and %3}1"
3222  "%select{| or 'const char *'}4"
3223  "%select{|, and no matching literal operator template}5">;
3224
3225// C++ Template Declarations
3226def err_template_param_shadow : Error<
3227  "declaration of %0 shadows template parameter">;
3228def note_template_param_here : Note<"template parameter is declared here">;
3229def warn_template_export_unsupported : Warning<
3230  "exported templates are unsupported">;
3231def err_template_outside_namespace_or_class_scope : Error<
3232  "templates can only be declared in namespace or class scope">;
3233def err_template_inside_local_class : Error<
3234  "templates cannot be declared inside of a local class">;
3235def err_template_linkage : Error<"templates must have C++ linkage">;
3236def err_template_typedef : Error<"a typedef cannot be a template">;
3237def err_template_unnamed_class : Error<
3238  "cannot declare a class template with no name">;
3239def err_template_param_list_different_arity : Error<
3240  "%select{too few|too many}0 template parameters in template "
3241  "%select{|template parameter }1redeclaration">;
3242def note_template_param_list_different_arity : Note<
3243  "%select{too few|too many}0 template parameters in template template "
3244  "argument">;
3245def note_template_prev_declaration : Note<
3246  "previous template %select{declaration|template parameter}0 is here">;
3247def err_template_param_different_kind : Error<
3248  "template parameter has a different kind in template "
3249  "%select{|template parameter }0redeclaration">;
3250def note_template_param_different_kind : Note<
3251  "template parameter has a different kind in template argument">;
3252
3253def err_template_nontype_parm_different_type : Error<
3254  "template non-type parameter has a different type %0 in template "
3255  "%select{|template parameter }1redeclaration">;
3256
3257def note_template_nontype_parm_different_type : Note<
3258  "template non-type parameter has a different type %0 in template argument">;
3259def note_template_nontype_parm_prev_declaration : Note<
3260  "previous non-type template parameter with type %0 is here">;
3261def err_template_nontype_parm_bad_type : Error<
3262  "a non-type template parameter cannot have type %0">;
3263def err_template_param_default_arg_redefinition : Error<
3264  "template parameter redefines default argument">;
3265def note_template_param_prev_default_arg : Note<
3266  "previous default template argument defined here">;
3267def err_template_param_default_arg_missing : Error<
3268  "template parameter missing a default argument">;
3269def ext_template_parameter_default_in_function_template : ExtWarn<
3270  "default template arguments for a function template are a C++11 extension">,
3271  InGroup<CXX11>;
3272def warn_cxx98_compat_template_parameter_default_in_function_template : Warning<
3273  "default template arguments for a function template are incompatible with C++98">,
3274  InGroup<CXX98Compat>, DefaultIgnore;
3275def err_template_parameter_default_template_member : Error<
3276  "cannot add a default template argument to the definition of a member of a "
3277  "class template">;
3278def err_template_parameter_default_friend_template : Error<
3279  "default template argument not permitted on a friend template">;
3280def err_template_template_parm_no_parms : Error<
3281  "template template parameter must have its own template parameters">;
3282
3283def ext_variable_template : ExtWarn<"variable templates are a C++14 extension">,
3284  InGroup<CXX14>;
3285def warn_cxx11_compat_variable_template : Warning<
3286  "variable templates are incompatible with C++ standards before C++14">,
3287  InGroup<CXXPre14Compat>, DefaultIgnore;
3288def err_template_variable_noparams : Error<
3289  "extraneous 'template<>' in declaration of variable %0">;
3290def err_template_member : Error<"member %0 declared as a template">;
3291def err_template_member_noparams : Error<
3292  "extraneous 'template<>' in declaration of member %0">;
3293def err_template_tag_noparams : Error<
3294  "extraneous 'template<>' in declaration of %0 %1">;
3295def err_template_decl_ref : Error<
3296  "cannot refer to %select{class|variable}0 template %1 without a template argument list">;
3297
3298// C++ Template Argument Lists
3299def err_template_missing_args : Error<
3300  "use of class template %0 requires template arguments">;
3301def err_template_arg_list_different_arity : Error<
3302  "%select{too few|too many}0 template arguments for "
3303  "%select{class template|function template|template template parameter"
3304  "|template}1 %2">;
3305def note_template_decl_here : Note<"template is declared here">;
3306def err_template_arg_must_be_type : Error<
3307  "template argument for template type parameter must be a type">;
3308def err_template_arg_must_be_type_suggest : Error<
3309  "template argument for template type parameter must be a type; did you forget 'typename'?">;
3310def ext_ms_template_type_arg_missing_typename : ExtWarn<
3311  "template argument for template type parameter must be a type; "
3312  "omitted 'typename' is a Microsoft extension">,
3313  InGroup<Microsoft>;
3314def err_template_arg_must_be_expr : Error<
3315  "template argument for non-type template parameter must be an expression">;
3316def err_template_arg_nontype_ambig : Error<
3317  "template argument for non-type template parameter is treated as function type %0">;
3318def err_template_arg_must_be_template : Error<
3319  "template argument for template template parameter must be a class template%select{| or type alias template}0">;
3320def ext_template_arg_local_type : ExtWarn<
3321  "template argument uses local type %0">, InGroup<LocalTypeTemplateArgs>;
3322def ext_template_arg_unnamed_type : ExtWarn<
3323  "template argument uses unnamed type">, InGroup<UnnamedTypeTemplateArgs>;
3324def warn_cxx98_compat_template_arg_local_type : Warning<
3325  "local type %0 as template argument is incompatible with C++98">,
3326  InGroup<CXX98CompatLocalTypeTemplateArgs>, DefaultIgnore;
3327def warn_cxx98_compat_template_arg_unnamed_type : Warning<
3328  "unnamed type as template argument is incompatible with C++98">,
3329  InGroup<CXX98CompatUnnamedTypeTemplateArgs>, DefaultIgnore;
3330def note_template_unnamed_type_here : Note<
3331  "unnamed type used in template argument was declared here">;
3332def err_template_arg_overload_type : Error<
3333  "template argument is the type of an unresolved overloaded function">;
3334def err_template_arg_not_class_template : Error<
3335  "template argument does not refer to a class template or template "
3336  "template parameter">;
3337def note_template_arg_refers_here_func : Note<
3338  "template argument refers to function template %0, here">;
3339def err_template_arg_template_params_mismatch : Error<
3340  "template template argument has different template parameters than its "
3341  "corresponding template template parameter">;
3342def err_template_arg_not_integral_or_enumeral : Error<
3343  "non-type template argument of type %0 must have an integral or enumeration"
3344  " type">;
3345def err_template_arg_not_ice : Error<
3346  "non-type template argument of type %0 is not an integral constant "
3347  "expression">;
3348def err_template_arg_not_address_constant : Error<
3349  "non-type template argument of type %0 is not a constant expression">;
3350def warn_cxx98_compat_template_arg_null : Warning<
3351  "use of null pointer as non-type template argument is incompatible with "
3352  "C++98">, InGroup<CXX98Compat>, DefaultIgnore;
3353def err_template_arg_untyped_null_constant : Error<
3354  "null non-type template argument must be cast to template parameter type %0">;
3355def err_template_arg_wrongtype_null_constant : Error<
3356 "null non-type template argument of type %0 does not match template parameter "
3357 "of type %1">;
3358def err_deduced_non_type_template_arg_type_mismatch : Error<
3359  "deduced non-type template argument does not have the same type as the "
3360  "its corresponding template parameter%diff{ ($ vs $)|}0,1">;
3361def err_non_type_template_arg_subobject : Error<
3362  "non-type template argument refers to subobject '%0'">;
3363def err_non_type_template_arg_addr_label_diff : Error<
3364  "template argument / label address difference / what did you expect?">;
3365def err_template_arg_not_convertible : Error<
3366  "non-type template argument of type %0 cannot be converted to a value "
3367  "of type %1">;
3368def warn_template_arg_negative : Warning<
3369  "non-type template argument with value '%0' converted to '%1' for unsigned "
3370  "template parameter of type %2">, InGroup<Conversion>, DefaultIgnore;
3371def warn_template_arg_too_large : Warning<
3372  "non-type template argument value '%0' truncated to '%1' for "
3373  "template parameter of type %2">, InGroup<Conversion>, DefaultIgnore;
3374def err_template_arg_no_ref_bind : Error<
3375  "non-type template parameter of reference type "
3376  "%diff{$ cannot bind to template argument of type $"
3377  "|cannot bind to template of incompatible argument type}0,1">;
3378def err_template_arg_ref_bind_ignores_quals : Error<
3379  "reference binding of non-type template parameter "
3380  "%diff{of type $ to template argument of type $|to template argument}0,1 "
3381  "ignores qualifiers">;
3382def err_template_arg_not_decl_ref : Error<
3383  "non-type template argument does not refer to any declaration">;
3384def err_template_arg_not_address_of : Error<
3385  "non-type template argument for template parameter of pointer type %0 must "
3386  "have its address taken">;
3387def err_template_arg_address_of_non_pointer : Error<
3388  "address taken in non-type template argument for template parameter of "
3389  "reference type %0">;
3390def err_template_arg_reference_var : Error<
3391  "non-type template argument of reference type %0 is not an object">;
3392def err_template_arg_field : Error<
3393  "non-type template argument refers to non-static data member %0">;
3394def err_template_arg_method : Error<
3395  "non-type template argument refers to non-static member function %0">;
3396def err_template_arg_object_no_linkage : Error<
3397  "non-type template argument refers to %select{function|object}0 %1 that "
3398  "does not have linkage">;
3399def warn_cxx98_compat_template_arg_object_internal : Warning<
3400  "non-type template argument referring to %select{function|object}0 %1 with "
3401  "internal linkage is incompatible with C++98">,
3402  InGroup<CXX98Compat>, DefaultIgnore;
3403def ext_template_arg_object_internal : ExtWarn<
3404  "non-type template argument referring to %select{function|object}0 %1 with "
3405  "internal linkage is a C++11 extension">, InGroup<CXX11>;
3406def err_template_arg_thread_local : Error<
3407  "non-type template argument refers to thread-local object">;
3408def note_template_arg_internal_object : Note<
3409  "non-type template argument refers to %select{function|object}0 here">;
3410def note_template_arg_refers_here : Note<
3411  "non-type template argument refers here">;
3412def err_template_arg_not_object_or_func : Error<
3413  "non-type template argument does not refer to an object or function">;
3414def err_template_arg_not_pointer_to_member_form : Error<
3415  "non-type template argument is not a pointer to member constant">;
3416def err_template_arg_member_ptr_base_derived_not_supported : Error<
3417  "sorry, non-type template argument of pointer-to-member type %1 that refers "
3418  "to member %q0 of a different class is not supported yet">;
3419def ext_template_arg_extra_parens : ExtWarn<
3420  "address non-type template argument cannot be surrounded by parentheses">;
3421def warn_cxx98_compat_template_arg_extra_parens : Warning<
3422  "redundant parentheses surrounding address non-type template argument are "
3423  "incompatible with C++98">, InGroup<CXX98Compat>, DefaultIgnore;
3424def err_pointer_to_member_type : Error<
3425  "invalid use of pointer to member type after %select{.*|->*}0">;
3426def err_pointer_to_member_call_drops_quals : Error<
3427  "call to pointer to member function of type %0 drops '%1' qualifier%s2">;
3428def err_pointer_to_member_oper_value_classify: Error<
3429  "pointer-to-member function type %0 can only be called on an "
3430  "%select{rvalue|lvalue}1">;
3431def ext_ms_deref_template_argument: ExtWarn<
3432  "non-type template argument containing a dereference operation is a "
3433  "Microsoft extension">, InGroup<Microsoft>;
3434def ext_ms_delayed_template_argument: ExtWarn<
3435  "using the undeclared type %0 as a default template argument is a "
3436  "Microsoft extension">, InGroup<Microsoft>;
3437
3438// C++ template specialization
3439def err_template_spec_unknown_kind : Error<
3440  "can only provide an explicit specialization for a class template, function "
3441  "template, variable template, or a member function, static data member, "
3442  "%select{or member class|member class, or member enumeration}0 of a "
3443  "class template">;
3444def note_specialized_entity : Note<
3445  "explicitly specialized declaration is here">;
3446def err_template_spec_decl_function_scope : Error<
3447  "explicit specialization of %0 in function scope">;
3448def err_template_spec_decl_class_scope : Error<
3449  "explicit specialization of %0 in class scope">;
3450def err_template_spec_decl_friend : Error<
3451  "cannot declare an explicit specialization in a friend">;
3452def err_template_spec_decl_out_of_scope_global : Error<
3453  "%select{class template|class template partial|variable template|"
3454  "variable template partial|function template|member function|"
3455  "static data member|member class|member enumeration}0 "
3456  "specialization of %1 must originally be declared in the global scope">;
3457def err_template_spec_decl_out_of_scope : Error<
3458  "%select{class template|class template partial|variable template|"
3459  "variable template partial|function template|member "
3460  "function|static data member|member class|member enumeration}0 "
3461  "specialization of %1 must originally be declared in namespace %2">;
3462def ext_template_spec_decl_out_of_scope : ExtWarn<
3463  "first declaration of %select{class template|class template partial|"
3464  "variable template|variable template partial|"
3465  "function template|member function|static data member|member class|"
3466  "member enumeration}0 specialization of %1 outside namespace %2 is a "
3467  "C++11 extension">, InGroup<CXX11>;
3468def warn_cxx98_compat_template_spec_decl_out_of_scope : Warning<
3469  "%select{class template|class template partial|variable template|"
3470  "variable template partial|function template|member "
3471  "function|static data member|member class|member enumeration}0 "
3472  "specialization of %1 outside namespace %2 is incompatible with C++98">,
3473  InGroup<CXX98Compat>, DefaultIgnore;
3474def err_template_spec_redecl_out_of_scope : Error<
3475  "%select{class template|class template partial|variable template|"
3476  "variable template partial|function template|member "
3477  "function|static data member|member class|member enumeration}0 "
3478  "specialization of %1 not in a namespace enclosing %2">;
3479def ext_ms_template_spec_redecl_out_of_scope: ExtWarn<
3480  "%select{class template|class template partial|variable template|"
3481  "variable template partial|function template|member "
3482  "function|static data member|member class|member enumeration}0 "
3483  "specialization of %1 outside namespace enclosing %2 "
3484  "is a Microsoft extension">, InGroup<Microsoft>;
3485def err_template_spec_redecl_global_scope : Error<
3486  "%select{class template|class template partial|variable template|"
3487  "variable template partial|function template|member "
3488  "function|static data member|member class|member enumeration}0 "
3489  "specialization of %1 must occur at global scope">;
3490def err_spec_member_not_instantiated : Error<
3491  "specialization of member %q0 does not specialize an instantiated member">;
3492def note_specialized_decl : Note<"attempt to specialize declaration here">;
3493def err_specialization_after_instantiation : Error<
3494  "explicit specialization of %0 after instantiation">;
3495def note_instantiation_required_here : Note<
3496  "%select{implicit|explicit}0 instantiation first required here">;
3497def err_template_spec_friend : Error<
3498  "template specialization declaration cannot be a friend">;
3499def err_template_spec_default_arg : Error<
3500  "default argument not permitted on an explicit "
3501  "%select{instantiation|specialization}0 of function %1">;
3502def err_not_class_template_specialization : Error<
3503  "cannot specialize a %select{dependent template|template template "
3504  "parameter}0">;
3505def err_function_specialization_in_class : Error<
3506  "cannot specialize a function %0 within class scope">;
3507def ext_function_specialization_in_class : ExtWarn<
3508  "explicit specialization of %0 within class scope is a Microsoft extension">,
3509  InGroup<Microsoft>;
3510def ext_explicit_specialization_storage_class : ExtWarn<
3511  "explicit specialization cannot have a storage class">;
3512def err_explicit_specialization_inconsistent_storage_class : Error<
3513  "explicit specialization has extraneous, inconsistent storage class "
3514  "'%select{none|extern|static|__private_extern__|auto|register}0'">;
3515
3516// C++ class template specializations and out-of-line definitions
3517def err_template_spec_needs_header : Error<
3518  "template specialization requires 'template<>'">;
3519def err_template_spec_needs_template_parameters : Error<
3520  "template specialization or definition requires a template parameter list "
3521  "corresponding to the nested type %0">;
3522def err_template_param_list_matches_nontemplate : Error<
3523  "template parameter list matching the non-templated nested type %0 should "
3524  "be empty ('template<>')">;
3525def err_alias_template_extra_headers : Error<
3526  "extraneous template parameter list in alias template declaration">;
3527def err_template_spec_extra_headers : Error<
3528  "extraneous template parameter list in template specialization or "
3529  "out-of-line template definition">;
3530def warn_template_spec_extra_headers : Warning<
3531  "extraneous template parameter list in template specialization">;
3532def note_explicit_template_spec_does_not_need_header : Note<
3533  "'template<>' header not required for explicitly-specialized class %0 "
3534  "declared here">;
3535def err_template_qualified_declarator_no_match : Error<
3536  "nested name specifier '%0' for declaration does not refer into a class, "
3537  "class template or class template partial specialization">;
3538def err_specialize_member_of_template : Error<
3539  "cannot specialize %select{|(with 'template<>') }0a member of an "
3540  "unspecialized template">;
3541
3542// C++ Class Template Partial Specialization
3543def err_default_arg_in_partial_spec : Error<
3544    "default template argument in a class template partial specialization">;
3545def err_dependent_non_type_arg_in_partial_spec : Error<
3546    "non-type template argument depends on a template parameter of the "
3547    "partial specialization">;
3548def note_dependent_non_type_default_arg_in_partial_spec : Note<
3549    "template parameter is used in default argument declared here">;
3550def err_dependent_typed_non_type_arg_in_partial_spec : Error<
3551    "non-type template argument specializes a template parameter with "
3552    "dependent type %0">;
3553def err_partial_spec_args_match_primary_template : Error<
3554    "%select{class|variable}0 template partial specialization does not "
3555    "specialize any template argument; to %select{declare|define}1 the "
3556    "primary template, remove the template argument list">;
3557def warn_partial_specs_not_deducible : Warning<
3558    "%select{class|variable}0 template partial specialization contains "
3559    "%select{a template parameter|template parameters}1 that cannot be "
3560    "deduced; this partial specialization will never be used">;
3561def note_partial_spec_unused_parameter : Note<
3562    "non-deducible template parameter %0">;
3563def err_partial_spec_ordering_ambiguous : Error<
3564    "ambiguous partial specializations of %0">;
3565def note_partial_spec_match : Note<"partial specialization matches %0">;
3566def err_partial_spec_redeclared : Error<
3567  "class template partial specialization %0 cannot be redeclared">;
3568def note_prev_partial_spec_here : Note<
3569  "previous declaration of class template partial specialization %0 is here">;
3570def err_partial_spec_fully_specialized : Error<
3571  "partial specialization of %0 does not use any of its template parameters">;
3572
3573// C++ Variable Template Partial Specialization
3574def err_var_partial_spec_redeclared : Error<
3575  "variable template partial specialization %0 cannot be redefined">;
3576def note_var_prev_partial_spec_here : Note<
3577  "previous declaration of variable template partial specialization is here">;
3578def err_var_spec_no_template : Error<
3579  "no variable template matches%select{| partial}0 specialization">;
3580def err_var_spec_no_template_but_method : Error<
3581  "no variable template matches specialization; "
3582  "did you mean to use %0 as function template instead?">;
3583
3584// C++ Function template specializations
3585def err_function_template_spec_no_match : Error<
3586    "no function template matches function template specialization %0">;
3587def err_function_template_spec_ambiguous : Error<
3588    "function template specialization %0 ambiguously refers to more than one "
3589    "function template; explicitly specify%select{| additional}1 template "
3590    "arguments to identify a particular function template">;
3591def note_function_template_spec_matched : Note<
3592    "function template matches specialization %0">;
3593def err_function_template_partial_spec : Error<
3594    "function template partial specialization is not allowed">;
3595
3596// C++ Template Instantiation
3597def err_template_recursion_depth_exceeded : Error<
3598  "recursive template instantiation exceeded maximum depth of %0">,
3599  DefaultFatal, NoSFINAE;
3600def note_template_recursion_depth : Note<
3601  "use -ftemplate-depth=N to increase recursive template instantiation depth">;
3602
3603def err_template_instantiate_within_definition : Error<
3604  "%select{implicit|explicit}0 instantiation of template %1 within its"
3605  " own definition">;
3606def err_template_instantiate_undefined : Error<
3607  "%select{implicit|explicit}0 instantiation of undefined template %1">;
3608def err_implicit_instantiate_member_undefined : Error<
3609  "implicit instantiation of undefined member %0">;
3610def note_template_class_instantiation_was_here : Note<
3611  "class template %0 was instantiated here">;
3612def note_template_class_explicit_specialization_was_here : Note<
3613  "class template %0 was explicitly specialized here">;
3614def note_template_class_instantiation_here : Note<
3615  "in instantiation of template class %0 requested here">;
3616def note_template_member_class_here : Note<
3617  "in instantiation of member class %0 requested here">;
3618def note_template_member_function_here : Note<
3619  "in instantiation of member function %q0 requested here">;
3620def note_function_template_spec_here : Note<
3621  "in instantiation of function template specialization %q0 requested here">;
3622def note_template_static_data_member_def_here : Note<
3623  "in instantiation of static data member %q0 requested here">;
3624def note_template_variable_def_here : Note<
3625  "in instantiation of variable template specialization %q0 requested here">;
3626def note_template_enum_def_here : Note<
3627  "in instantiation of enumeration %q0 requested here">;
3628def note_template_nsdmi_here : Note<
3629  "in instantiation of default member initializer %q0 requested here">;
3630def note_template_type_alias_instantiation_here : Note<
3631  "in instantiation of template type alias %0 requested here">;
3632def note_template_exception_spec_instantiation_here : Note<
3633  "in instantiation of exception specification for %0 requested here">;
3634
3635def note_default_arg_instantiation_here : Note<
3636  "in instantiation of default argument for '%0' required here">;
3637def note_default_function_arg_instantiation_here : Note<
3638  "in instantiation of default function argument expression "
3639  "for '%0' required here">;
3640def note_explicit_template_arg_substitution_here : Note<
3641  "while substituting explicitly-specified template arguments into function "
3642  "template %0 %1">;
3643def note_function_template_deduction_instantiation_here : Note<
3644  "while substituting deduced template arguments into function template %0 "
3645  "%1">;
3646def note_partial_spec_deduct_instantiation_here : Note<
3647  "during template argument deduction for class template partial "
3648  "specialization %0 %1">;
3649def note_prior_template_arg_substitution : Note<
3650  "while substituting prior template arguments into %select{non-type|template}0"
3651  " template parameter%1 %2">;
3652def note_template_default_arg_checking : Note<
3653  "while checking a default template argument used here">;
3654def note_instantiation_contexts_suppressed : Note<
3655  "(skipping %0 context%s0 in backtrace; use -ftemplate-backtrace-limit=0 to "
3656  "see all)">;
3657
3658def err_field_instantiates_to_function : Error<
3659  "data member instantiated with function type %0">;
3660def err_variable_instantiates_to_function : Error<
3661  "%select{variable|static data member}0 instantiated with function type %1">;
3662def err_nested_name_spec_non_tag : Error<
3663  "type %0 cannot be used prior to '::' because it has no members">;
3664
3665// C++ Explicit Instantiation
3666def err_explicit_instantiation_duplicate : Error<
3667    "duplicate explicit instantiation of %0">;
3668def ext_explicit_instantiation_duplicate : ExtWarn<
3669    "duplicate explicit instantiation of %0 ignored as a Microsoft extension">,
3670    InGroup<Microsoft>;
3671def note_previous_explicit_instantiation : Note<
3672    "previous explicit instantiation is here">;
3673def ext_explicit_instantiation_after_specialization : Extension<
3674    "explicit instantiation of %0 that occurs after an explicit "
3675    "specialization will be ignored (C++11 extension)">,
3676    InGroup<CXX11>;
3677def warn_cxx98_compat_explicit_instantiation_after_specialization : Warning<
3678    "explicit instantiation of %0 that occurs after an explicit "
3679    "specialization is incompatible with C++98">,
3680    InGroup<CXX98CompatPedantic>, DefaultIgnore;
3681def note_previous_template_specialization : Note<
3682    "previous template specialization is here">;
3683def err_explicit_instantiation_nontemplate_type : Error<
3684    "explicit instantiation of non-templated type %0">;
3685def note_nontemplate_decl_here : Note<
3686    "non-templated declaration is here">;
3687def err_explicit_instantiation_in_class : Error<
3688  "explicit instantiation of %0 in class scope">;
3689def err_explicit_instantiation_out_of_scope : Error<
3690  "explicit instantiation of %0 not in a namespace enclosing %1">;
3691def err_explicit_instantiation_must_be_global : Error<
3692  "explicit instantiation of %0 must occur at global scope">;
3693def warn_explicit_instantiation_out_of_scope_0x : Warning<
3694  "explicit instantiation of %0 not in a namespace enclosing %1">,
3695  InGroup<CXX11Compat>, DefaultIgnore;
3696def warn_explicit_instantiation_must_be_global_0x : Warning<
3697  "explicit instantiation of %0 must occur at global scope">,
3698  InGroup<CXX11Compat>, DefaultIgnore;
3699
3700def err_explicit_instantiation_requires_name : Error<
3701  "explicit instantiation declaration requires a name">;
3702def err_explicit_instantiation_of_typedef : Error<
3703  "explicit instantiation of typedef %0">;
3704def err_explicit_instantiation_storage_class : Error<
3705  "explicit instantiation cannot have a storage class">;
3706def err_explicit_instantiation_not_known : Error<
3707  "explicit instantiation of %0 does not refer to a function template, "
3708  "variable template, member function, member class, or static data member">;
3709def note_explicit_instantiation_here : Note<
3710  "explicit instantiation refers here">;
3711def err_explicit_instantiation_data_member_not_instantiated : Error<
3712  "explicit instantiation refers to static data member %q0 that is not an "
3713  "instantiation">;
3714def err_explicit_instantiation_member_function_not_instantiated : Error<
3715  "explicit instantiation refers to member function %q0 that is not an "
3716  "instantiation">;
3717def err_explicit_instantiation_ambiguous : Error<
3718  "partial ordering for explicit instantiation of %0 is ambiguous">;
3719def note_explicit_instantiation_candidate : Note<
3720  "explicit instantiation candidate function template here %0">;
3721def err_explicit_instantiation_inline : Error<
3722  "explicit instantiation cannot be 'inline'">;
3723def warn_explicit_instantiation_inline_0x : Warning<
3724  "explicit instantiation cannot be 'inline'">, InGroup<CXX11Compat>,
3725  DefaultIgnore;
3726def err_explicit_instantiation_constexpr : Error<
3727  "explicit instantiation cannot be 'constexpr'">;
3728def ext_explicit_instantiation_without_qualified_id : Extension<
3729  "qualifier in explicit instantiation of %q0 requires a template-id "
3730  "(a typedef is not permitted)">;
3731def err_explicit_instantiation_without_template_id : Error<
3732  "explicit instantiation of %q0 must specify a template argument list">;
3733def err_explicit_instantiation_unqualified_wrong_namespace : Error<
3734  "explicit instantiation of %q0 must occur in namespace %1">;
3735def warn_explicit_instantiation_unqualified_wrong_namespace_0x : Warning<
3736  "explicit instantiation of %q0 must occur in namespace %1">,
3737  InGroup<CXX11Compat>, DefaultIgnore;
3738def err_explicit_instantiation_undefined_member : Error<
3739  "explicit instantiation of undefined %select{member class|member function|"
3740  "static data member}0 %1 of class template %2">;
3741def err_explicit_instantiation_undefined_func_template : Error<
3742  "explicit instantiation of undefined function template %0">;
3743def err_explicit_instantiation_undefined_var_template : Error<
3744  "explicit instantiation of undefined variable template %q0">;
3745def err_explicit_instantiation_declaration_after_definition : Error<
3746  "explicit instantiation declaration (with 'extern') follows explicit "
3747  "instantiation definition (without 'extern')">;
3748def note_explicit_instantiation_definition_here : Note<
3749  "explicit instantiation definition is here">;
3750def err_invalid_var_template_spec_type : Error<"type %2 "
3751  "of %select{explicit instantiation|explicit specialization|"
3752  "partial specialization|redeclaration}0 of %1 does not match"
3753  " expected type %3">;
3754def err_mismatched_exception_spec_explicit_instantiation : Error<
3755  "exception specification in explicit instantiation does not match instantiated one">;
3756def ext_mismatched_exception_spec_explicit_instantiation : ExtWarn<
3757  "exception specification in explicit instantiation does not match instantiated one">,
3758  InGroup<Microsoft>;
3759
3760// C++ typename-specifiers
3761def err_typename_nested_not_found : Error<"no type named %0 in %1">;
3762def err_typename_nested_not_found_enable_if : Error<
3763  "no type named 'type' in %0; 'enable_if' cannot be used to disable "
3764  "this declaration">;
3765def err_typename_nested_not_type : Error<
3766    "typename specifier refers to non-type member %0 in %1">;
3767def note_typename_refers_here : Note<
3768    "referenced member %0 is declared here">;
3769def err_typename_missing : Error<
3770  "missing 'typename' prior to dependent type name '%0%1'">;
3771def ext_typename_missing : ExtWarn<
3772  "missing 'typename' prior to dependent type name '%0%1'">,
3773  InGroup<DiagGroup<"typename-missing">>;
3774def ext_typename_outside_of_template : ExtWarn<
3775  "'typename' occurs outside of a template">, InGroup<CXX11>;
3776def warn_cxx98_compat_typename_outside_of_template : Warning<
3777  "use of 'typename' outside of a template is incompatible with C++98">,
3778  InGroup<CXX98Compat>, DefaultIgnore;
3779def err_typename_refers_to_using_value_decl : Error<
3780  "typename specifier refers to a dependent using declaration for a value "
3781  "%0 in %1">;
3782def note_using_value_decl_missing_typename : Note<
3783  "add 'typename' to treat this using declaration as a type">;
3784
3785def err_template_kw_refers_to_non_template : Error<
3786  "%0 following the 'template' keyword does not refer to a template">;
3787def err_template_kw_refers_to_class_template : Error<
3788  "'%0%1' instantiated to a class template, not a function template">;
3789def note_referenced_class_template : Error<
3790  "class template declared here">;
3791def err_template_kw_missing : Error<
3792  "missing 'template' keyword prior to dependent template name '%0%1'">;
3793def ext_template_outside_of_template : ExtWarn<
3794  "'template' keyword outside of a template">, InGroup<CXX11>;
3795def warn_cxx98_compat_template_outside_of_template : Warning<
3796  "use of 'template' keyword outside of a template is incompatible with C++98">,
3797  InGroup<CXX98Compat>, DefaultIgnore;
3798
3799def err_non_type_template_in_nested_name_specifier : Error<
3800  "qualified name refers into a specialization of %select{function|variable}0 "
3801  "template %1">;
3802def err_template_id_not_a_type : Error<
3803  "template name refers to non-type template %0">;
3804def note_template_declared_here : Note<
3805  "%select{function template|class template|variable template"
3806  "|type alias template|template template parameter}0 "
3807  "%1 declared here">;
3808def err_alias_template_expansion_into_fixed_list : Error<
3809  "pack expansion used as argument for non-pack parameter of alias template">;
3810def note_parameter_type : Note<
3811  "parameter of type %0 is declared here">;
3812
3813// C++11 Variadic Templates
3814def err_template_param_pack_default_arg : Error<
3815  "template parameter pack cannot have a default argument">;
3816def err_template_param_pack_must_be_last_template_parameter : Error<
3817  "template parameter pack must be the last template parameter">;
3818
3819def err_template_parameter_pack_non_pack : Error<
3820  "%select{template type|non-type template|template template}0 parameter"
3821  "%select{| pack}1 conflicts with previous %select{template type|"
3822  "non-type template|template template}0 parameter%select{ pack|}1">;
3823def note_template_parameter_pack_non_pack : Note<
3824  "%select{template type|non-type template|template template}0 parameter"
3825  "%select{| pack}1 does not match %select{template type|non-type template"
3826  "|template template}0 parameter%select{ pack|}1 in template argument">;
3827def note_template_parameter_pack_here : Note<
3828  "previous %select{template type|non-type template|template template}0 "
3829  "parameter%select{| pack}1 declared here">;
3830
3831def err_unexpanded_parameter_pack : Error<
3832  "%select{expression|base type|declaration type|data member type|bit-field "
3833  "size|static assertion|fixed underlying type|enumerator value|"
3834  "using declaration|friend declaration|qualifier|initializer|default argument|"
3835  "non-type template parameter type|exception type|partial specialization|"
3836  "__if_exists name|__if_not_exists name|lambda|block}0 contains"
3837  "%plural{0: an|:}1 unexpanded parameter pack"
3838  "%plural{0:|1: %2|2:s %2 and %3|:s %2, %3, ...}1">;
3839
3840def err_pack_expansion_without_parameter_packs : Error<
3841  "pack expansion does not contain any unexpanded parameter packs">;
3842def err_pack_expansion_length_conflict : Error<
3843  "pack expansion contains parameter packs %0 and %1 that have different "
3844  "lengths (%2 vs. %3)">;
3845def err_pack_expansion_length_conflict_multilevel : Error<
3846  "pack expansion contains parameter pack %0 that has a different "
3847  "length (%1 vs. %2) from outer parameter packs">;
3848def err_pack_expansion_member_init : Error<
3849  "pack expansion for initialization of member %0">;
3850
3851def err_function_parameter_pack_without_parameter_packs : Error<
3852  "type %0 of function parameter pack does not contain any unexpanded "
3853  "parameter packs">;
3854def err_ellipsis_in_declarator_not_parameter : Error<
3855  "only function and template parameters can be parameter packs">;
3856
3857def err_sizeof_pack_no_pack_name : Error<
3858  "%0 does not refer to the name of a parameter pack">;
3859
3860def err_fold_expression_packs_both_sides : Error<
3861  "binary fold expression has unexpanded parameter packs in both operands">;
3862def err_fold_expression_empty : Error<
3863  "unary fold expression has empty expansion for operator '%0' "
3864  "with no fallback value">;
3865def err_fold_expression_bad_operand : Error<
3866  "expression not permitted as operand of fold expression">;
3867
3868def err_unexpected_typedef : Error<
3869  "unexpected type name %0: expected expression">;
3870def err_unexpected_namespace : Error<
3871  "unexpected namespace name %0: expected expression">;
3872def err_undeclared_var_use : Error<"use of undeclared identifier %0">;
3873def ext_undeclared_unqual_id_with_dependent_base : ExtWarn<
3874  "use of undeclared identifier %0; "
3875  "unqualified lookup into dependent bases of class template %1 is a Microsoft extension">,
3876  InGroup<Microsoft>;
3877def ext_found_via_dependent_bases_lookup : ExtWarn<"use of identifier %0 "
3878  "found via unqualified lookup into dependent bases of class templates is a "
3879  "Microsoft extension">, InGroup<Microsoft>;
3880def note_dependent_var_use : Note<"must qualify identifier to find this "
3881    "declaration in dependent base class">;
3882def err_not_found_by_two_phase_lookup : Error<"call to function %0 that is neither "
3883    "visible in the template definition nor found by argument-dependent lookup">;
3884def note_not_found_by_two_phase_lookup : Note<"%0 should be declared prior to the "
3885    "call site%select{| or in %2| or in an associated namespace of one of its arguments}1">;
3886def err_undeclared_use : Error<"use of undeclared %0">;
3887def warn_partial_availability : Warning<"%0 is only available conditionally">,
3888    InGroup<PartialAvailability>, DefaultIgnore;
3889def note_partial_availability_silence : Note<
3890  "explicitly redeclare %0 to silence this warning">;
3891def warn_partial_message : Warning<"%0 is partial: %1">,
3892    InGroup<PartialAvailability>, DefaultIgnore;
3893def warn_partial_fwdclass_message : Warning<
3894    "%0 may be partial because the receiver type is unknown">,
3895    InGroup<PartialAvailability>, DefaultIgnore;
3896def warn_deprecated : Warning<"%0 is deprecated">,
3897    InGroup<DeprecatedDeclarations>;
3898def warn_property_method_deprecated :
3899    Warning<"property access is using %0 method which is deprecated">,
3900    InGroup<DeprecatedDeclarations>;
3901def warn_deprecated_message : Warning<"%0 is deprecated: %1">,
3902    InGroup<DeprecatedDeclarations>;
3903def warn_deprecated_anonymous_namespace : Warning<
3904  "'deprecated' attribute on anonymous namespace ignored">,
3905  InGroup<IgnoredAttributes>;
3906def warn_deprecated_fwdclass_message : Warning<
3907    "%0 may be deprecated because the receiver type is unknown">,
3908    InGroup<DeprecatedDeclarations>;
3909def warn_deprecated_def : Warning<
3910    "Implementing deprecated %select{method|class|category}0">,
3911    InGroup<DeprecatedImplementations>, DefaultIgnore;
3912def err_unavailable : Error<"%0 is unavailable">;
3913def err_property_method_unavailable :
3914    Error<"property access is using %0 method which is unavailable">;
3915def err_unavailable_message : Error<"%0 is unavailable: %1">;
3916def warn_unavailable_fwdclass_message : Warning<
3917    "%0 may be unavailable because the receiver type is unknown">,
3918    InGroup<UnavailableDeclarations>;
3919def note_availability_specified_here : Note<
3920  "%0 has been explicitly marked "
3921  "%select{unavailable|deleted|deprecated|partial}1 here">;
3922def note_implicitly_deleted : Note<
3923  "explicitly defaulted function was implicitly deleted here">;
3924def note_inherited_deleted_here : Note<
3925  "deleted constructor was inherited here">;
3926def note_cannot_inherit : Note<
3927  "constructor cannot be inherited">;
3928def warn_not_enough_argument : Warning<
3929  "not enough variable arguments in %0 declaration to fit a sentinel">,
3930  InGroup<Sentinel>;
3931def warn_missing_sentinel : Warning <
3932  "missing sentinel in %select{function call|method dispatch|block call}0">,
3933  InGroup<Sentinel>;
3934def note_sentinel_here : Note<
3935  "%select{function|method|block}0 has been explicitly marked sentinel here">;
3936def warn_missing_prototype : Warning<
3937  "no previous prototype for function %0">,
3938  InGroup<DiagGroup<"missing-prototypes">>, DefaultIgnore;
3939def note_declaration_not_a_prototype : Note<
3940  "this declaration is not a prototype; add 'void' to make it a prototype for a zero-parameter function">;
3941def warn_missing_variable_declarations : Warning<
3942  "no previous extern declaration for non-static variable %0">,
3943  InGroup<DiagGroup<"missing-variable-declarations">>, DefaultIgnore;
3944def err_static_data_member_reinitialization :
3945  Error<"static data member %0 already has an initializer">;
3946def err_redefinition : Error<"redefinition of %0">;
3947def err_alias_after_tentative :
3948  Error<"alias definition of %0 after tentative definition">;
3949def err_alias_is_definition :
3950  Error<"definition %0 cannot also be an alias">;
3951def err_definition_of_implicitly_declared_member : Error<
3952  "definition of implicitly declared %select{default constructor|copy "
3953  "constructor|move constructor|copy assignment operator|move assignment "
3954  "operator|destructor|function}1">;
3955def err_definition_of_explicitly_defaulted_member : Error<
3956  "definition of explicitly defaulted %select{default constructor|copy "
3957  "constructor|move constructor|copy assignment operator|move assignment "
3958  "operator|destructor}0">;
3959def err_redefinition_extern_inline : Error<
3960  "redefinition of a 'extern inline' function %0 is not supported in "
3961  "%select{C99 mode|C++}1">;
3962
3963def note_deleted_dtor_no_operator_delete : Note<
3964  "virtual destructor requires an unambiguous, accessible 'operator delete'">;
3965def note_deleted_special_member_class_subobject : Note<
3966  "%select{default constructor|copy constructor|move constructor|"
3967  "copy assignment operator|move assignment operator|destructor}0 of "
3968  "%1 is implicitly deleted because "
3969  "%select{base class %3|%select{||||variant }4field %3}2 has "
3970  "%select{no|a deleted|multiple|an inaccessible|a non-trivial}4 "
3971  "%select{%select{default constructor|copy constructor|move constructor|copy "
3972  "assignment operator|move assignment operator|destructor}0|destructor}5"
3973  "%select{||s||}4">;
3974def note_deleted_default_ctor_uninit_field : Note<
3975  "default constructor of %0 is implicitly deleted because field %1 of "
3976  "%select{reference|const-qualified}3 type %2 would not be initialized">;
3977def note_deleted_default_ctor_all_const : Note<
3978  "default constructor of %0 is implicitly deleted because all "
3979  "%select{data members|data members of an anonymous union member}1"
3980  " are const-qualified">;
3981def note_deleted_copy_ctor_rvalue_reference : Note<
3982  "copy constructor of %0 is implicitly deleted because field %1 is of "
3983  "rvalue reference type %2">;
3984def note_deleted_copy_user_declared_move : Note<
3985  "copy %select{constructor|assignment operator}0 is implicitly deleted because"
3986  " %1 has a user-declared move %select{constructor|assignment operator}2">;
3987def note_deleted_assign_field : Note<
3988  "%select{copy|move}0 assignment operator of %1 is implicitly deleted "
3989  "because field %2 is of %select{reference|const-qualified}4 type %3">;
3990
3991// These should be errors.
3992def warn_undefined_internal : Warning<
3993  "%select{function|variable}0 %q1 has internal linkage but is not defined">,
3994  InGroup<DiagGroup<"undefined-internal">>;
3995def warn_undefined_inline : Warning<"inline function %q0 is not defined">,
3996  InGroup<DiagGroup<"undefined-inline">>;
3997def note_used_here : Note<"used here">;
3998
3999def ext_internal_in_extern_inline : ExtWarn<
4000  "static %select{function|variable}0 %1 is used in an inline function with "
4001  "external linkage">, InGroup<StaticInInline>;
4002def ext_internal_in_extern_inline_quiet : Extension<
4003  "static %select{function|variable}0 %1 is used in an inline function with "
4004  "external linkage">, InGroup<StaticInInline>;
4005def warn_static_local_in_extern_inline : Warning<
4006  "non-constant static local variable in inline function may be different "
4007  "in different files">, InGroup<StaticLocalInInline>;
4008def note_convert_inline_to_static : Note<
4009  "use 'static' to give inline function %0 internal linkage">;
4010
4011def ext_redefinition_of_typedef : ExtWarn<
4012  "redefinition of typedef %0 is a C11 feature">,
4013  InGroup<DiagGroup<"typedef-redefinition"> >;
4014def err_redefinition_variably_modified_typedef : Error<
4015  "redefinition of %select{typedef|type alias}0 for variably-modified type %1">;
4016
4017def err_inline_decl_follows_def : Error<
4018  "inline declaration of %0 follows non-inline definition">;
4019def err_inline_declaration_block_scope : Error<
4020  "inline declaration of %0 not allowed in block scope">;
4021def err_static_non_static : Error<
4022  "static declaration of %0 follows non-static declaration">;
4023def err_different_language_linkage : Error<
4024  "declaration of %0 has a different language linkage">;
4025def ext_retained_language_linkage : Extension<
4026  "friend function %0 retaining previous language linkage is an extension">,
4027  InGroup<DiagGroup<"retained-language-linkage">>;
4028def err_extern_c_global_conflict : Error<
4029  "declaration of %1 %select{with C language linkage|in global scope}0 "
4030  "conflicts with declaration %select{in global scope|with C language linkage}0">;
4031def note_extern_c_global_conflict : Note<
4032  "declared %select{in global scope|with C language linkage}0 here">;
4033def warn_weak_import : Warning <
4034  "an already-declared variable is made a weak_import declaration %0">;
4035def ext_static_non_static : Extension<
4036  "redeclaring non-static %0 as static is a Microsoft extension">, InGroup<Microsoft>;
4037def err_non_static_static : Error<
4038  "non-static declaration of %0 follows static declaration">;
4039def err_extern_non_extern : Error<
4040  "extern declaration of %0 follows non-extern declaration">;
4041def err_non_extern_extern : Error<
4042  "non-extern declaration of %0 follows extern declaration">;
4043def err_non_thread_thread : Error<
4044  "non-thread-local declaration of %0 follows thread-local declaration">;
4045def err_thread_non_thread : Error<
4046  "thread-local declaration of %0 follows non-thread-local declaration">;
4047def err_thread_thread_different_kind : Error<
4048  "thread-local declaration of %0 with %select{static|dynamic}1 initialization "
4049  "follows declaration with %select{dynamic|static}1 initialization">;
4050def err_redefinition_different_type : Error<
4051  "redefinition of %0 with a different type%diff{: $ vs $|}1,2">;
4052def err_redefinition_different_kind : Error<
4053  "redefinition of %0 as different kind of symbol">;
4054def err_redefinition_different_namespace_alias : Error<
4055  "redefinition of %0 as an alias for a different namespace">;
4056def note_previous_namespace_alias : Note<
4057  "previously defined as an alias for %0">;
4058def warn_forward_class_redefinition : Warning<
4059  "redefinition of forward class %0 of a typedef name of an object type is ignored">,
4060  InGroup<DiagGroup<"objc-forward-class-redefinition">>;
4061def err_redefinition_different_typedef : Error<
4062  "%select{typedef|type alias|type alias template}0 "
4063  "redefinition with different types%diff{ ($ vs $)|}1,2">;
4064def err_tag_reference_non_tag : Error<
4065  "elaborated type refers to %select{a non-tag type|a typedef|a type alias|a template|a type alias template}0">;
4066def err_tag_reference_conflict : Error<
4067  "implicit declaration introduced by elaborated type conflicts with "
4068  "%select{a declaration|a typedef|a type alias|a template}0 of the same name">;
4069def err_dependent_tag_decl : Error<
4070  "%select{declaration|definition}0 of "
4071  "%select{struct|interface|union|class|enum}1 in a dependent scope">;
4072def err_tag_definition_of_typedef : Error<
4073  "definition of type %0 conflicts with %select{typedef|type alias}1 of the same name">;
4074def err_conflicting_types : Error<"conflicting types for %0">;
4075def err_nested_redefinition : Error<"nested redefinition of %0">;
4076def err_use_with_wrong_tag : Error<
4077  "use of %0 with tag type that does not match previous declaration">;
4078def warn_struct_class_tag_mismatch : Warning<
4079    "%select{struct|interface|class}0%select{| template}1 %2 was previously "
4080    "declared as a %select{struct|interface|class}3%select{| template}1">,
4081    InGroup<MismatchedTags>, DefaultIgnore;
4082def warn_struct_class_previous_tag_mismatch : Warning<
4083    "%2 defined as %select{a struct|an interface|a class}0%select{| template}1 "
4084    "here but previously declared as "
4085    "%select{a struct|an interface|a class}3%select{| template}1">,
4086     InGroup<MismatchedTags>, DefaultIgnore;
4087def note_struct_class_suggestion : Note<
4088    "did you mean %select{struct|interface|class}0 here?">;
4089def ext_forward_ref_enum : Extension<
4090  "ISO C forbids forward references to 'enum' types">;
4091def err_forward_ref_enum : Error<
4092  "ISO C++ forbids forward references to 'enum' types">;
4093def ext_ms_forward_ref_enum : Extension<
4094  "forward references to 'enum' types are a Microsoft extension">, InGroup<Microsoft>;
4095def ext_forward_ref_enum_def : Extension<
4096  "redeclaration of already-defined enum %0 is a GNU extension">, InGroup<GNURedeclaredEnum>;
4097
4098def err_redefinition_of_enumerator : Error<"redefinition of enumerator %0">;
4099def err_duplicate_member : Error<"duplicate member %0">;
4100def err_misplaced_ivar : Error<
4101  "instance variables may not be placed in %select{categories|class extension}0">;
4102def warn_ivars_in_interface : Warning<
4103  "declaration of instance variables in the interface is deprecated">,
4104  InGroup<DiagGroup<"objc-interface-ivars">>, DefaultIgnore;
4105def ext_enum_value_not_int : Extension<
4106  "ISO C restricts enumerator values to range of 'int' (%0 is too "
4107  "%select{small|large}1)">;
4108def ext_enum_too_large : ExtWarn<
4109  "enumeration values exceed range of largest integer">, InGroup<EnumTooLarge>;
4110def ext_enumerator_increment_too_large : ExtWarn<
4111  "incremented enumerator value %0 is not representable in the "
4112  "largest integer type">, InGroup<EnumTooLarge>;
4113def warn_flag_enum_constant_out_of_range : Warning<
4114  "enumeration value %0 is out of range of flags in enumeration type %1">,
4115  InGroup<FlagEnum>;
4116
4117def warn_illegal_constant_array_size : Extension<
4118  "size of static array must be an integer constant expression">;
4119def err_vm_decl_in_file_scope : Error<
4120  "variably modified type declaration not allowed at file scope">;
4121def err_vm_decl_has_extern_linkage : Error<
4122  "variably modified type declaration cannot have 'extern' linkage">;
4123def err_typecheck_field_variable_size : Error<
4124  "fields must have a constant size: 'variable length array in structure' "
4125  "extension will never be supported">;
4126def err_vm_func_decl : Error<
4127  "function declaration cannot have variably modified type">;
4128def err_array_too_large : Error<
4129  "array is too large (%0 elements)">;
4130def warn_array_new_too_large : Warning<"array is too large (%0 elements)">,
4131  // FIXME PR11644: ", will throw std::bad_array_new_length at runtime"
4132  InGroup<BadArrayNewLength>;
4133
4134// -Wpadded, -Wpacked
4135def warn_padded_struct_field : Warning<
4136  "padding %select{struct|interface|class}0 %1 with %2 "
4137  "%select{byte|bit}3%select{|s}4 to align %5">,
4138  InGroup<Padded>, DefaultIgnore;
4139def warn_padded_struct_anon_field : Warning<
4140  "padding %select{struct|interface|class}0 %1 with %2 "
4141  "%select{byte|bit}3%select{|s}4 to align anonymous bit-field">,
4142  InGroup<Padded>, DefaultIgnore;
4143def warn_padded_struct_size : Warning<
4144  "padding size of %0 with %1 %select{byte|bit}2%select{|s}3 "
4145  "to alignment boundary">, InGroup<Padded>, DefaultIgnore;
4146def warn_unnecessary_packed : Warning<
4147  "packed attribute is unnecessary for %0">, InGroup<Packed>, DefaultIgnore;
4148
4149def err_typecheck_negative_array_size : Error<"array size is negative">;
4150def warn_typecheck_negative_array_new_size : Warning<"array size is negative">,
4151  // FIXME PR11644: ", will throw std::bad_array_new_length at runtime"
4152  InGroup<BadArrayNewLength>;
4153def warn_typecheck_function_qualifiers : Warning<
4154  "qualifier on function type %0 has unspecified behavior">;
4155def warn_typecheck_reference_qualifiers : Warning<
4156  "'%0' qualifier on reference type %1 has no effect">,
4157  InGroup<IgnoredQualifiers>;
4158def err_typecheck_invalid_restrict_not_pointer : Error<
4159  "restrict requires a pointer or reference (%0 is invalid)">;
4160def err_typecheck_invalid_restrict_not_pointer_noarg : Error<
4161  "restrict requires a pointer or reference">;
4162def err_typecheck_invalid_restrict_invalid_pointee : Error<
4163  "pointer to function type %0 may not be 'restrict' qualified">;
4164def ext_typecheck_zero_array_size : Extension<
4165  "zero size arrays are an extension">, InGroup<ZeroLengthArray>;
4166def err_typecheck_zero_array_size : Error<
4167  "zero-length arrays are not permitted in C++">;
4168def warn_typecheck_zero_static_array_size : Warning<
4169  "'static' has no effect on zero-length arrays">,
4170  InGroup<ArrayBounds>;
4171def err_array_size_non_int : Error<"size of array has non-integer type %0">;
4172def err_init_element_not_constant : Error<
4173  "initializer element is not a compile-time constant">;
4174def ext_aggregate_init_not_constant : Extension<
4175  "initializer for aggregate is not a compile-time constant">, InGroup<C99>;
4176def err_local_cant_init : Error<
4177  "'__local' variable cannot have an initializer">;
4178def err_block_extern_cant_init : Error<
4179  "'extern' variable cannot have an initializer">;
4180def warn_extern_init : Warning<"'extern' variable has an initializer">,
4181  InGroup<DiagGroup<"extern-initializer">>;
4182def err_variable_object_no_init : Error<
4183  "variable-sized object may not be initialized">;
4184def err_excess_initializers : Error<
4185  "excess elements in %select{array|vector|scalar|union|struct}0 initializer">;
4186def ext_excess_initializers : ExtWarn<
4187  "excess elements in %select{array|vector|scalar|union|struct}0 initializer">;
4188def err_excess_initializers_in_char_array_initializer : Error<
4189  "excess elements in char array initializer">;
4190def ext_excess_initializers_in_char_array_initializer : ExtWarn<
4191  "excess elements in char array initializer">;
4192def err_initializer_string_for_char_array_too_long : Error<
4193  "initializer-string for char array is too long">;
4194def ext_initializer_string_for_char_array_too_long : ExtWarn<
4195  "initializer-string for char array is too long">;
4196def warn_missing_field_initializers : Warning<
4197  "missing field %0 initializer">,
4198  InGroup<MissingFieldInitializers>, DefaultIgnore;
4199def warn_braces_around_scalar_init : Warning<
4200  "braces around scalar initializer">, InGroup<DiagGroup<"braced-scalar-init">>;
4201def ext_many_braces_around_scalar_init : ExtWarn<
4202  "too many braces around scalar initializer">,
4203  InGroup<DiagGroup<"many-braces-around-scalar-init">>;
4204def ext_complex_component_init : Extension<
4205  "complex initialization specifying real and imaginary components "
4206  "is an extension">, InGroup<DiagGroup<"complex-component-init">>;
4207def err_empty_scalar_initializer : Error<"scalar initializer cannot be empty">;
4208def warn_cxx98_compat_empty_scalar_initializer : Warning<
4209  "scalar initialized from empty initializer list is incompatible with C++98">,
4210  InGroup<CXX98Compat>, DefaultIgnore;
4211def warn_cxx98_compat_reference_list_init : Warning<
4212  "reference initialized from initializer list is incompatible with C++98">,
4213  InGroup<CXX98Compat>, DefaultIgnore;
4214def warn_cxx98_compat_initializer_list_init : Warning<
4215  "initialization of initializer_list object is incompatible with C++98">,
4216  InGroup<CXX98Compat>, DefaultIgnore;
4217def warn_cxx98_compat_ctor_list_init : Warning<
4218  "constructor call from initializer list is incompatible with C++98">,
4219  InGroup<CXX98Compat>, DefaultIgnore;
4220def err_illegal_initializer : Error<
4221  "illegal initializer (only variables can be initialized)">;
4222def err_illegal_initializer_type : Error<"illegal initializer type %0">;
4223def ext_init_list_type_narrowing : ExtWarn<
4224  "type %0 cannot be narrowed to %1 in initializer list">,
4225  InGroup<CXX11Narrowing>, DefaultError, SFINAEFailure;
4226def ext_init_list_variable_narrowing : ExtWarn<
4227  "non-constant-expression cannot be narrowed from type %0 to %1 in "
4228  "initializer list">, InGroup<CXX11Narrowing>, DefaultError, SFINAEFailure;
4229def ext_init_list_constant_narrowing : ExtWarn<
4230  "constant expression evaluates to %0 which cannot be narrowed to type %1">,
4231  InGroup<CXX11Narrowing>, DefaultError, SFINAEFailure;
4232def warn_init_list_type_narrowing : Warning<
4233  "type %0 cannot be narrowed to %1 in initializer list in C++11">,
4234  InGroup<CXX11Narrowing>, DefaultIgnore;
4235def warn_init_list_variable_narrowing : Warning<
4236  "non-constant-expression cannot be narrowed from type %0 to %1 in "
4237  "initializer list in C++11">,
4238  InGroup<CXX11Narrowing>, DefaultIgnore;
4239def warn_init_list_constant_narrowing : Warning<
4240  "constant expression evaluates to %0 which cannot be narrowed to type %1 in "
4241  "C++11">,
4242  InGroup<CXX11Narrowing>, DefaultIgnore;
4243def note_init_list_narrowing_silence : Note<
4244  "insert an explicit cast to silence this issue">;
4245def err_init_objc_class : Error<
4246  "cannot initialize Objective-C class type %0">;
4247def err_implicit_empty_initializer : Error<
4248  "initializer for aggregate with no elements requires explicit braces">;
4249def err_bitfield_has_negative_width : Error<
4250  "bit-field %0 has negative width (%1)">;
4251def err_anon_bitfield_has_negative_width : Error<
4252  "anonymous bit-field has negative width (%0)">;
4253def err_bitfield_has_zero_width : Error<"named bit-field %0 has zero width">;
4254def err_bitfield_width_exceeds_type_size : Error<
4255  "size of bit-field %0 (%1 bits) exceeds size of its type (%2 bits)">;
4256def err_anon_bitfield_width_exceeds_type_size : Error<
4257  "size of anonymous bit-field (%0 bits) exceeds size of its type (%1 bits)">;
4258def err_incorrect_number_of_vector_initializers : Error<
4259  "number of elements must be either one or match the size of the vector">;
4260
4261// Used by C++ which allows bit-fields that are wider than the type.
4262def warn_bitfield_width_exceeds_type_size: Warning<
4263  "size of bit-field %0 (%1 bits) exceeds the size of its type; value will be "
4264  "truncated to %2 bits">;
4265def warn_anon_bitfield_width_exceeds_type_size : Warning<
4266  "size of anonymous bit-field (%0 bits) exceeds size of its type; value will "
4267  "be truncated to %1 bits">;
4268
4269def warn_missing_braces : Warning<
4270  "suggest braces around initialization of subobject">,
4271  InGroup<MissingBraces>, DefaultIgnore;
4272
4273def err_redefinition_of_label : Error<"redefinition of label %0">;
4274def err_undeclared_label_use : Error<"use of undeclared label %0">;
4275def err_goto_ms_asm_label : Error<
4276  "cannot jump from this goto statement to label %0 inside an inline assembly block">;
4277def note_goto_ms_asm_label : Note<
4278  "inline assembly label %0 declared here">;
4279def warn_unused_label : Warning<"unused label %0">,
4280  InGroup<UnusedLabel>, DefaultIgnore;
4281
4282def err_goto_into_protected_scope : Error<
4283  "cannot jump from this goto statement to its label">;
4284def ext_goto_into_protected_scope : ExtWarn<
4285  "jump from this goto statement to its label is a Microsoft extension">,
4286  InGroup<Microsoft>;
4287def warn_cxx98_compat_goto_into_protected_scope : Warning<
4288  "jump from this goto statement to its label is incompatible with C++98">,
4289  InGroup<CXX98Compat>, DefaultIgnore;
4290def err_switch_into_protected_scope : Error<
4291  "cannot jump from switch statement to this case label">;
4292def warn_cxx98_compat_switch_into_protected_scope : Warning<
4293  "jump from switch statement to this case label is incompatible with C++98">,
4294  InGroup<CXX98Compat>, DefaultIgnore;
4295def err_indirect_goto_without_addrlabel : Error<
4296  "indirect goto in function with no address-of-label expressions">;
4297def err_indirect_goto_in_protected_scope : Error<
4298  "cannot jump from this indirect goto statement to one of its possible targets">;
4299def warn_cxx98_compat_indirect_goto_in_protected_scope : Warning<
4300  "jump from this indirect goto statement to one of its possible targets "
4301  "is incompatible with C++98">, InGroup<CXX98Compat>, DefaultIgnore;
4302def note_indirect_goto_target : Note<
4303  "possible target of indirect goto statement">;
4304def note_protected_by_variable_init : Note<
4305  "jump bypasses variable initialization">;
4306def note_protected_by_variable_nontriv_destructor : Note<
4307  "jump bypasses variable with a non-trivial destructor">;
4308def note_protected_by_variable_non_pod : Note<
4309  "jump bypasses initialization of non-POD variable">;
4310def note_protected_by_cleanup : Note<
4311  "jump bypasses initialization of variable with __attribute__((cleanup))">;
4312def note_protected_by_vla_typedef : Note<
4313  "jump bypasses initialization of VLA typedef">;
4314def note_protected_by_vla_type_alias : Note<
4315  "jump bypasses initialization of VLA type alias">;
4316def note_protected_by_vla : Note<
4317  "jump bypasses initialization of variable length array">;
4318def note_protected_by_objc_try : Note<
4319  "jump bypasses initialization of @try block">;
4320def note_protected_by_objc_catch : Note<
4321  "jump bypasses initialization of @catch block">;
4322def note_protected_by_objc_finally : Note<
4323  "jump bypasses initialization of @finally block">;
4324def note_protected_by_objc_synchronized : Note<
4325  "jump bypasses initialization of @synchronized block">;
4326def note_protected_by_objc_autoreleasepool : Note<
4327  "jump bypasses auto release push of @autoreleasepool block">;
4328def note_protected_by_cxx_try : Note<
4329  "jump bypasses initialization of try block">;
4330def note_protected_by_cxx_catch : Note<
4331  "jump bypasses initialization of catch block">;
4332def note_protected_by_seh_try : Note<
4333  "jump bypasses initialization of __try block">;
4334def note_protected_by_seh_except : Note<
4335  "jump bypasses initialization of __except block">;
4336def note_protected_by_seh_finally : Note<
4337  "jump bypasses initialization of __finally block">;
4338def note_protected_by___block : Note<
4339  "jump bypasses setup of __block variable">;
4340def note_protected_by_objc_ownership : Note<
4341  "jump bypasses initialization of retaining variable">;
4342def note_enters_block_captures_cxx_obj : Note<
4343  "jump enters lifetime of block which captures a destructible C++ object">;
4344def note_enters_block_captures_strong : Note<
4345  "jump enters lifetime of block which strongly captures a variable">;
4346def note_enters_block_captures_weak : Note<
4347  "jump enters lifetime of block which weakly captures a variable">;
4348
4349def note_exits_cleanup : Note<
4350  "jump exits scope of variable with __attribute__((cleanup))">;
4351def note_exits_dtor : Note<
4352  "jump exits scope of variable with non-trivial destructor">;
4353def note_exits_temporary_dtor : Note<
4354  "jump exits scope of lifetime-extended temporary with non-trivial "
4355  "destructor">;
4356def note_exits___block : Note<
4357  "jump exits scope of __block variable">;
4358def note_exits_objc_try : Note<
4359  "jump exits @try block">;
4360def note_exits_objc_catch : Note<
4361  "jump exits @catch block">;
4362def note_exits_objc_finally : Note<
4363  "jump exits @finally block">;
4364def note_exits_objc_synchronized : Note<
4365  "jump exits @synchronized block">;
4366def note_exits_cxx_try : Note<
4367  "jump exits try block">;
4368def note_exits_cxx_catch : Note<
4369  "jump exits catch block">;
4370def note_exits_seh_try : Note<
4371  "jump exits __try block">;
4372def note_exits_seh_except : Note<
4373  "jump exits __except block">;
4374def note_exits_seh_finally : Note<
4375  "jump exits __finally block">;
4376def note_exits_objc_autoreleasepool : Note<
4377  "jump exits autoreleasepool block">;
4378def note_exits_objc_ownership : Note<
4379  "jump exits scope of retaining variable">;
4380def note_exits_block_captures_cxx_obj : Note<
4381  "jump exits lifetime of block which captures a destructible C++ object">;
4382def note_exits_block_captures_strong : Note<
4383  "jump exits lifetime of block which strongly captures a variable">;
4384def note_exits_block_captures_weak : Note<
4385  "jump exits lifetime of block which weakly captures a variable">;
4386
4387def err_func_returning_qualified_void : ExtWarn<
4388  "function cannot return qualified void type %0">,
4389  InGroup<DiagGroup<"qualified-void-return-type">>;
4390def err_func_returning_array_function : Error<
4391  "function cannot return %select{array|function}0 type %1">;
4392def err_field_declared_as_function : Error<"field %0 declared as a function">;
4393def err_field_incomplete : Error<"field has incomplete type %0">;
4394def ext_variable_sized_type_in_struct : ExtWarn<
4395  "field %0 with variable sized type %1 not at the end of a struct or class is"
4396  " a GNU extension">, InGroup<GNUVariableSizedTypeNotAtEnd>;
4397
4398def ext_c99_flexible_array_member : Extension<
4399  "flexible array members are a C99 feature">, InGroup<C99>;
4400def err_flexible_array_virtual_base : Error<
4401  "flexible array member %0 not allowed in "
4402  "%select{struct|interface|union|class|enum}1 which has a virtual base class">;
4403def err_flexible_array_empty_aggregate : Error<
4404  "flexible array member %0 not allowed in otherwise empty "
4405  "%select{struct|interface|union|class|enum}1">;
4406def err_flexible_array_has_nontrivial_dtor : Error<
4407  "flexible array member %0 of type %1 with non-trivial destruction">;
4408def ext_flexible_array_in_struct : Extension<
4409  "%0 may not be nested in a struct due to flexible array member">,
4410  InGroup<FlexibleArrayExtensions>;
4411def ext_flexible_array_in_array : Extension<
4412  "%0 may not be used as an array element due to flexible array member">,
4413  InGroup<FlexibleArrayExtensions>;
4414def err_flexible_array_init : Error<
4415  "initialization of flexible array member is not allowed">;
4416def ext_flexible_array_empty_aggregate_ms : Extension<
4417  "flexible array member %0 in otherwise empty "
4418  "%select{struct|interface|union|class|enum}1 is a Microsoft extension">,
4419  InGroup<Microsoft>;
4420def err_flexible_array_union : Error<
4421  "flexible array member %0 in a union is not allowed">;
4422def ext_flexible_array_union_ms : Extension<
4423  "flexible array member %0 in a union is a Microsoft extension">,
4424  InGroup<Microsoft>;
4425def ext_flexible_array_empty_aggregate_gnu : Extension<
4426  "flexible array member %0 in otherwise empty "
4427  "%select{struct|interface|union|class|enum}1 is a GNU extension">,
4428  InGroup<GNUEmptyStruct>;
4429def ext_flexible_array_union_gnu : Extension<
4430  "flexible array member %0 in a union is a GNU extension">, InGroup<GNUFlexibleArrayUnionMember>;
4431
4432let CategoryName = "ARC Semantic Issue" in {
4433
4434// ARC-mode diagnostics.
4435
4436let CategoryName = "ARC Weak References" in {
4437
4438def err_arc_weak_no_runtime : Error<
4439  "the current deployment target does not support automated __weak references">;
4440def err_arc_unsupported_weak_class : Error<
4441  "class is incompatible with __weak references">;
4442def err_arc_weak_unavailable_assign : Error<
4443  "assignment of a weak-unavailable object to a __weak object">;
4444def err_arc_weak_unavailable_property : Error<
4445  "synthesizing __weak instance variable of type %0, which does not "
4446  "support weak references">;
4447def note_implemented_by_class : Note<
4448  "when implemented by class %0">;
4449def err_arc_convesion_of_weak_unavailable : Error<
4450  "%select{implicit conversion|cast}0 of weak-unavailable object of type %1 to"
4451  " a __weak object of type %2">;
4452
4453} // end "ARC Weak References" category
4454
4455let CategoryName = "ARC Restrictions" in {
4456
4457def err_arc_illegal_explicit_message : Error<
4458  "ARC forbids explicit message send of %0">;
4459def err_arc_unused_init_message : Error<
4460  "the result of a delegate init call must be immediately returned "
4461  "or assigned to 'self'">;
4462def err_arc_mismatched_cast : Error<
4463  "%select{implicit conversion|cast}0 of "
4464  "%select{%2|a non-Objective-C pointer type %2|a block pointer|"
4465  "an Objective-C pointer|an indirect pointer to an Objective-C pointer}1"
4466  " to %3 is disallowed with ARC">;
4467def err_arc_nolifetime_behavior : Error<
4468  "explicit ownership qualifier on cast result has no effect">;
4469def err_arc_objc_object_in_tag : Error<
4470  "ARC forbids %select{Objective-C objects|blocks}0 in "
4471  "%select{struct|interface|union|<<ERROR>>|enum}1">;
4472def err_arc_objc_property_default_assign_on_object : Error<
4473  "ARC forbids synthesizing a property of an Objective-C object "
4474  "with unspecified ownership or storage attribute">;
4475def err_arc_illegal_selector : Error<
4476  "ARC forbids use of %0 in a @selector">;
4477def err_arc_illegal_method_def : Error<
4478  "ARC forbids %select{implementation|synthesis}0 of %1">;
4479def warn_arc_strong_pointer_objc_pointer : Warning<
4480  "method parameter of type %0 with no explicit ownership">,
4481  InGroup<DiagGroup<"explicit-ownership-type">>, DefaultIgnore;
4482
4483} // end "ARC Restrictions" category
4484
4485def err_arc_lost_method_convention : Error<
4486  "method was declared as %select{an 'alloc'|a 'copy'|an 'init'|a 'new'}0 "
4487  "method, but its implementation doesn't match because %select{"
4488  "its result type is not an object pointer|"
4489  "its result type is unrelated to its receiver type}1">;
4490def note_arc_lost_method_convention : Note<"declaration in interface">;
4491def err_arc_gained_method_convention : Error<
4492  "method implementation does not match its declaration">;
4493def note_arc_gained_method_convention : Note<
4494  "declaration in interface is not in the '%select{alloc|copy|init|new}0' "
4495  "family because %select{its result type is not an object pointer|"
4496  "its result type is unrelated to its receiver type}1">;
4497def err_typecheck_arc_assign_self : Error<
4498  "cannot assign to 'self' outside of a method in the init family">;
4499def err_typecheck_arc_assign_self_class_method : Error<
4500  "cannot assign to 'self' in a class method">;
4501def err_typecheck_arr_assign_enumeration : Error<
4502  "fast enumeration variables can't be modified in ARC by default; "
4503  "declare the variable __strong to allow this">;
4504def warn_arc_retained_assign : Warning<
4505  "assigning retained object to %select{weak|unsafe_unretained}0 "
4506  "%select{property|variable}1"
4507  "; object will be released after assignment">,
4508  InGroup<ARCUnsafeRetainedAssign>;
4509def warn_arc_retained_property_assign : Warning<
4510  "assigning retained object to unsafe property"
4511  "; object will be released after assignment">,
4512  InGroup<ARCUnsafeRetainedAssign>;
4513def warn_arc_literal_assign : Warning<
4514  "assigning %select{array literal|dictionary literal|numeric literal|boxed expression|<should not happen>|block literal}0"
4515  " to a weak %select{property|variable}1"
4516  "; object will be released after assignment">,
4517  InGroup<ARCUnsafeRetainedAssign>;
4518def err_arc_new_array_without_ownership : Error<
4519  "'new' cannot allocate an array of %0 with no explicit ownership">;
4520def err_arc_autoreleasing_var : Error<
4521  "%select{__block variables|global variables|fields|instance variables}0 cannot have "
4522  "__autoreleasing ownership">;
4523def err_arc_autoreleasing_capture : Error<
4524  "cannot capture __autoreleasing variable in a "
4525  "%select{block|lambda by copy}0">;
4526def err_arc_thread_ownership : Error<
4527  "thread-local variable has non-trivial ownership: type is %0">;
4528def err_arc_indirect_no_ownership : Error<
4529  "%select{pointer|reference}1 to non-const type %0 with no explicit ownership">;
4530def err_arc_array_param_no_ownership : Error<
4531  "must explicitly describe intended ownership of an object array parameter">;
4532def err_arc_pseudo_dtor_inconstant_quals : Error<
4533  "pseudo-destructor destroys object of type %0 with inconsistently-qualified "
4534  "type %1">;
4535def err_arc_init_method_unrelated_result_type : Error<
4536  "init methods must return a type related to the receiver type">;
4537def err_arc_nonlocal_writeback : Error<
4538  "passing address of %select{non-local|non-scalar}0 object to "
4539  "__autoreleasing parameter for write-back">;
4540def err_arc_method_not_found : Error<
4541  "no known %select{instance|class}1 method for selector %0">;
4542def err_arc_receiver_forward_class : Error<
4543  "receiver %0 for class message is a forward declaration">;
4544def err_arc_may_not_respond : Error<
4545  "no visible @interface for %0 declares the selector %1">;
4546def err_arc_receiver_forward_instance : Error<
4547  "receiver type %0 for instance message is a forward declaration">;
4548def warn_receiver_forward_instance : Warning<
4549  "receiver type %0 for instance message is a forward declaration">,
4550  InGroup<ForwardClassReceiver>, DefaultIgnore;
4551def err_arc_collection_forward : Error<
4552  "collection expression type %0 is a forward declaration">;
4553def err_arc_multiple_method_decl : Error<
4554  "multiple methods named %0 found with mismatched result, "
4555  "parameter type or attributes">;
4556def warn_arc_lifetime_result_type : Warning<
4557  "ARC %select{unused|__unsafe_unretained|__strong|__weak|__autoreleasing}0 "
4558  "lifetime qualifier on return type is ignored">,
4559  InGroup<IgnoredQualifiers>;
4560
4561let CategoryName = "ARC Retain Cycle" in {
4562
4563def warn_arc_retain_cycle : Warning<
4564  "capturing %0 strongly in this block is likely to lead to a retain cycle">,
4565  InGroup<ARCRetainCycles>;
4566def note_arc_retain_cycle_owner : Note<
4567  "block will be retained by %select{the captured object|an object strongly "
4568  "retained by the captured object}0">;
4569
4570} // end "ARC Retain Cycle" category
4571
4572def warn_arc_object_memaccess : Warning<
4573  "%select{destination for|source of}0 this %1 call is a pointer to "
4574  "ownership-qualified type %2">, InGroup<ARCNonPodMemAccess>;
4575
4576let CategoryName = "ARC and @properties" in {
4577
4578def err_arc_strong_property_ownership : Error<
4579  "existing instance variable %1 for strong property %0 may not be "
4580  "%select{|__unsafe_unretained||__weak}2">;
4581def err_arc_assign_property_ownership : Error<
4582  "existing instance variable %1 for property %0 with %select{unsafe_unretained| assign}2 "
4583  "attribute must be __unsafe_unretained">;
4584def err_arc_inconsistent_property_ownership : Error<
4585  "%select{|unsafe_unretained|strong|weak}1 property %0 may not also be "
4586  "declared %select{|__unsafe_unretained|__strong|__weak|__autoreleasing}2">;
4587
4588} // end "ARC and @properties" category
4589
4590def err_arc_atomic_ownership : Error<
4591  "cannot perform atomic operation on a pointer to type %0: type has "
4592  "non-trivial ownership">;
4593
4594let CategoryName = "ARC Casting Rules" in {
4595
4596def err_arc_bridge_cast_incompatible : Error<
4597  "incompatible types casting %0 to %1 with a %select{__bridge|"
4598  "__bridge_transfer|__bridge_retained}2 cast">;
4599def err_arc_bridge_cast_wrong_kind : Error<
4600  "cast of %select{Objective-C|block|C}0 pointer type %1 to "
4601  "%select{Objective-C|block|C}2 pointer type %3 cannot use %select{__bridge|"
4602  "__bridge_transfer|__bridge_retained}4">;
4603def err_arc_cast_requires_bridge : Error<
4604  "%select{cast|implicit conversion}0 of %select{Objective-C|block|C}1 "
4605  "pointer type %2 to %select{Objective-C|block|C}3 pointer type %4 "
4606  "requires a bridged cast">;
4607def note_arc_bridge : Note<
4608  "use __bridge to convert directly (no change in ownership)">;
4609def note_arc_cstyle_bridge : Note<
4610  "use __bridge with C-style cast to convert directly (no change in ownership)">;
4611def note_arc_bridge_transfer : Note<
4612  "use %select{__bridge_transfer|CFBridgingRelease call}1 to transfer "
4613  "ownership of a +1 %0 into ARC">;
4614def note_arc_cstyle_bridge_transfer : Note<
4615  "use __bridge_transfer with C-style cast to transfer "
4616  "ownership of a +1 %0 into ARC">;
4617def note_arc_bridge_retained : Note<
4618  "use %select{__bridge_retained|CFBridgingRetain call}1 to make an "
4619  "ARC object available as a +1 %0">;
4620def note_arc_cstyle_bridge_retained : Note<
4621  "use __bridge_retained with C-style cast to make an "
4622  "ARC object available as a +1 %0">;
4623
4624} // ARC Casting category
4625
4626} // ARC category name
4627
4628def err_flexible_array_init_needs_braces : Error<
4629  "flexible array requires brace-enclosed initializer">;
4630def err_illegal_decl_array_of_functions : Error<
4631  "'%0' declared as array of functions of type %1">;
4632def err_illegal_decl_array_incomplete_type : Error<
4633  "array has incomplete element type %0">;
4634def err_illegal_message_expr_incomplete_type : Error<
4635  "Objective-C message has incomplete result type %0">;
4636def err_illegal_decl_array_of_references : Error<
4637  "'%0' declared as array of references of type %1">;
4638def err_decl_negative_array_size : Error<
4639  "'%0' declared as an array with a negative size">;
4640def err_array_static_outside_prototype : Error<
4641  "%0 used in array declarator outside of function prototype">;
4642def err_array_static_not_outermost : Error<
4643  "%0 used in non-outermost array type derivation">;
4644def err_array_star_outside_prototype : Error<
4645  "star modifier used outside of function prototype">;
4646def err_illegal_decl_pointer_to_reference : Error<
4647  "'%0' declared as a pointer to a reference of type %1">;
4648def err_illegal_decl_mempointer_to_reference : Error<
4649  "'%0' declared as a member pointer to a reference of type %1">;
4650def err_illegal_decl_mempointer_to_void : Error<
4651  "'%0' declared as a member pointer to void">;
4652def err_illegal_decl_mempointer_in_nonclass : Error<
4653  "'%0' does not point into a class">;
4654def err_mempointer_in_nonclass_type : Error<
4655  "member pointer refers into non-class type %0">;
4656def err_reference_to_void : Error<"cannot form a reference to 'void'">;
4657def err_nonfunction_block_type : Error<
4658  "block pointer to non-function type is invalid">;
4659def err_return_block_has_expr : Error<"void block should not return a value">;
4660def err_block_return_missing_expr : Error<
4661  "non-void block should return a value">;
4662def err_func_def_incomplete_result : Error<
4663  "incomplete result type %0 in function definition">;
4664def err_atomic_specifier_bad_type : Error<
4665  "_Atomic cannot be applied to "
4666  "%select{incomplete |array |function |reference |atomic |qualified |}0type "
4667  "%1 %select{||||||which is not trivially copyable}0">;
4668
4669// Expressions.
4670def ext_sizeof_alignof_function_type : Extension<
4671  "invalid application of '%select{sizeof|alignof|vec_step}0' to a "
4672  "function type">, InGroup<PointerArith>;
4673def ext_sizeof_alignof_void_type : Extension<
4674  "invalid application of '%select{sizeof|alignof|vec_step}0' to a void "
4675  "type">, InGroup<PointerArith>;
4676def err_opencl_sizeof_alignof_type : Error<
4677  "invalid application of '%select{sizeof|alignof|vec_step}0' to a void type">;
4678def err_sizeof_alignof_incomplete_type : Error<
4679  "invalid application of '%select{sizeof|alignof|vec_step}0' to an "
4680  "incomplete type %1">;
4681def err_sizeof_alignof_function_type : Error<
4682  "invalid application of '%select{sizeof|alignof|vec_step}0' to a "
4683  "function type">;
4684def err_sizeof_alignof_bitfield : Error<
4685  "invalid application of '%select{sizeof|alignof}0' to bit-field">;
4686def err_alignof_member_of_incomplete_type : Error<
4687  "invalid application of 'alignof' to a field of a class still being defined">;
4688def err_vecstep_non_scalar_vector_type : Error<
4689  "'vec_step' requires built-in scalar or vector type, %0 invalid">;
4690def err_offsetof_incomplete_type : Error<
4691  "offsetof of incomplete type %0">;
4692def err_offsetof_record_type : Error<
4693  "offsetof requires struct, union, or class type, %0 invalid">;
4694def err_offsetof_array_type : Error<"offsetof requires array type, %0 invalid">;
4695def ext_offsetof_extended_field_designator : Extension<
4696  "using extended field designator is an extension">,
4697  InGroup<DiagGroup<"extended-offsetof">>;
4698def ext_offsetof_non_pod_type : ExtWarn<"offset of on non-POD type %0">,
4699  InGroup<InvalidOffsetof>;
4700def ext_offsetof_non_standardlayout_type : ExtWarn<
4701  "offset of on non-standard-layout type %0">, InGroup<InvalidOffsetof>;
4702def err_offsetof_bitfield : Error<"cannot compute offset of bit-field %0">;
4703def err_offsetof_field_of_virtual_base : Error<
4704  "invalid application of 'offsetof' to a field of a virtual base">;
4705def warn_sub_ptr_zero_size_types : Warning<
4706  "subtraction of pointers to type %0 of zero size has undefined behavior">,
4707  InGroup<PointerArith>;
4708
4709def warn_floatingpoint_eq : Warning<
4710  "comparing floating point with == or != is unsafe">,
4711  InGroup<DiagGroup<"float-equal">>, DefaultIgnore;
4712
4713def warn_division_by_zero : Warning<"division by zero is undefined">,
4714  InGroup<DivZero>;
4715def warn_remainder_by_zero : Warning<"remainder by zero is undefined">,
4716  InGroup<DivZero>;
4717def warn_shift_negative : Warning<"shift count is negative">,
4718  InGroup<DiagGroup<"shift-count-negative">>;
4719def warn_shift_gt_typewidth : Warning<"shift count >= width of type">,
4720  InGroup<DiagGroup<"shift-count-overflow">>;
4721def warn_shift_result_gt_typewidth : Warning<
4722  "signed shift result (%0) requires %1 bits to represent, but %2 only has "
4723  "%3 bits">, InGroup<DiagGroup<"shift-overflow">>;
4724def warn_shift_result_sets_sign_bit : Warning<
4725  "signed shift result (%0) sets the sign bit of the shift expression's "
4726  "type (%1) and becomes negative">,
4727  InGroup<DiagGroup<"shift-sign-overflow">>, DefaultIgnore;
4728
4729def warn_precedence_bitwise_rel : Warning<
4730  "%0 has lower precedence than %1; %1 will be evaluated first">,
4731  InGroup<Parentheses>;
4732def note_precedence_bitwise_first : Note<
4733  "place parentheses around the %0 expression to evaluate it first">;
4734def note_precedence_silence : Note<
4735  "place parentheses around the '%0' expression to silence this warning">;
4736
4737def warn_precedence_conditional : Warning<
4738  "operator '?:' has lower precedence than '%0'; '%0' will be evaluated first">,
4739  InGroup<Parentheses>;
4740def note_precedence_conditional_first : Note<
4741  "place parentheses around the '?:' expression to evaluate it first">;
4742
4743def warn_logical_instead_of_bitwise : Warning<
4744  "use of logical '%0' with constant operand">,
4745  InGroup<DiagGroup<"constant-logical-operand">>;
4746def note_logical_instead_of_bitwise_change_operator : Note<
4747  "use '%0' for a bitwise operation">;
4748def note_logical_instead_of_bitwise_remove_constant : Note<
4749  "remove constant to silence this warning">;
4750
4751def warn_bitwise_and_in_bitwise_or : Warning<
4752  "'&' within '|'">, InGroup<BitwiseOpParentheses>;
4753
4754def warn_logical_and_in_logical_or : Warning<
4755  "'&&' within '||'">, InGroup<LogicalOpParentheses>;
4756
4757def warn_overloaded_shift_in_comparison :Warning<
4758  "overloaded operator %select{>>|<<}0 has higher precedence than "
4759  "comparison operator">,
4760  InGroup<OverloadedShiftOpParentheses>;
4761def note_evaluate_comparison_first :Note<
4762  "place parentheses around comparison expression to evaluate it first">;
4763
4764def warn_addition_in_bitshift : Warning<
4765  "operator '%0' has lower precedence than '%1'; "
4766  "'%1' will be evaluated first">, InGroup<ShiftOpParentheses>;
4767
4768def warn_self_assignment : Warning<
4769  "explicitly assigning value of variable of type %0 to itself">,
4770  InGroup<SelfAssignment>, DefaultIgnore;
4771def warn_self_move : Warning<
4772  "explicitly moving variable of type %0 to itself">,
4773  InGroup<SelfMove>, DefaultIgnore;
4774
4775def warn_string_plus_int : Warning<
4776  "adding %0 to a string does not append to the string">,
4777  InGroup<StringPlusInt>;
4778def warn_string_plus_char : Warning<
4779  "adding %0 to a string pointer does not append to the string">,
4780  InGroup<StringPlusChar>;
4781def note_string_plus_scalar_silence : Note<
4782  "use array indexing to silence this warning">;
4783
4784def warn_sizeof_array_param : Warning<
4785  "sizeof on array function parameter will return size of %0 instead of %1">,
4786  InGroup<SizeofArrayArgument>;
4787
4788def warn_sizeof_array_decay : Warning<
4789  "sizeof on pointer operation will return size of %0 instead of %1">,
4790  InGroup<SizeofArrayDecay>;
4791
4792def err_sizeof_nonfragile_interface : Error<
4793  "application of '%select{alignof|sizeof}1' to interface %0 is "
4794  "not supported on this architecture and platform">;
4795def err_atdef_nonfragile_interface : Error<
4796  "use of @defs is not supported on this architecture and platform">;
4797def err_subscript_nonfragile_interface : Error<
4798  "subscript requires size of interface %0, which is not constant for "
4799  "this architecture and platform">;
4800
4801def err_arithmetic_nonfragile_interface : Error<
4802  "arithmetic on pointer to interface %0, which is not a constant size for "
4803  "this architecture and platform">;
4804
4805
4806def ext_subscript_non_lvalue : Extension<
4807  "ISO C90 does not allow subscripting non-lvalue array">;
4808def err_typecheck_subscript_value : Error<
4809  "subscripted value is not an array, pointer, or vector">;
4810def err_typecheck_subscript_not_integer : Error<
4811  "array subscript is not an integer">;
4812def err_subscript_function_type : Error<
4813  "subscript of pointer to function type %0">;
4814def err_subscript_incomplete_type : Error<
4815  "subscript of pointer to incomplete type %0">;
4816def err_dereference_incomplete_type : Error<
4817  "dereference of pointer to incomplete type %0">;
4818def ext_gnu_subscript_void_type : Extension<
4819  "subscript of a pointer to void is a GNU extension">, InGroup<PointerArith>;
4820def err_typecheck_member_reference_struct_union : Error<
4821  "member reference base type %0 is not a structure or union">;
4822def err_typecheck_member_reference_ivar : Error<
4823  "%0 does not have a member named %1">;
4824def error_arc_weak_ivar_access : Error<
4825  "dereferencing a __weak pointer is not allowed due to possible "
4826  "null value caused by race condition, assign it to strong variable first">;
4827def err_typecheck_member_reference_arrow : Error<
4828  "member reference type %0 is not a pointer">;
4829def err_typecheck_member_reference_suggestion : Error<
4830  "member reference type %0 is %select{a|not a}1 pointer; did you mean to use '%select{->|.}1'?">;
4831def note_typecheck_member_reference_suggestion : Note<
4832  "did you mean to use '.' instead?">;
4833def note_member_reference_arrow_from_operator_arrow : Note<
4834  "'->' applied to return value of the operator->() declared here">;
4835def err_typecheck_member_reference_type : Error<
4836  "cannot refer to type member %0 in %1 with '%select{.|->}2'">;
4837def err_typecheck_member_reference_unknown : Error<
4838  "cannot refer to member %0 in %1 with '%select{.|->}2'">;
4839def err_member_reference_needs_call : Error<
4840  "base of member reference is a function; perhaps you meant to call "
4841  "it%select{| with no arguments}0?">;
4842def warn_subscript_is_char : Warning<"array subscript is of type 'char'">,
4843  InGroup<CharSubscript>, DefaultIgnore;
4844
4845def err_typecheck_incomplete_tag : Error<"incomplete definition of type %0">;
4846def err_no_member : Error<"no member named %0 in %1">;
4847def err_no_member_overloaded_arrow : Error<
4848  "no member named %0 in %1; did you mean to use '->' instead of '.'?">;
4849
4850def err_member_not_yet_instantiated : Error<
4851  "no member %0 in %1; it has not yet been instantiated">;
4852def note_non_instantiated_member_here : Note<
4853  "not-yet-instantiated member is declared here">;
4854
4855def err_enumerator_does_not_exist : Error<
4856  "enumerator %0 does not exist in instantiation of %1">;
4857def note_enum_specialized_here : Note<
4858  "enum %0 was explicitly specialized here">;
4859
4860def err_member_redeclared : Error<"class member cannot be redeclared">;
4861def ext_member_redeclared : ExtWarn<"class member cannot be redeclared">,
4862  InGroup<RedeclaredClassMember>;
4863def err_member_redeclared_in_instantiation : Error<
4864  "multiple overloads of %0 instantiate to the same signature %1">;
4865def err_member_name_of_class : Error<"member %0 has the same name as its class">;
4866def err_member_def_undefined_record : Error<
4867  "out-of-line definition of %0 from class %1 without definition">;
4868def err_member_decl_does_not_match : Error<
4869  "out-of-line %select{declaration|definition}2 of %0 "
4870  "does not match any declaration in %1">;
4871def err_friend_decl_with_def_arg_must_be_def : Error<
4872  "friend declaration specifying a default argument must be a definition">;
4873def err_friend_decl_with_def_arg_redeclared : Error<
4874  "friend declaration specifying a default argument must be the only declaration">;
4875def err_friend_decl_does_not_match : Error<
4876  "friend declaration of %0 does not match any declaration in %1">;
4877def err_member_decl_does_not_match_suggest : Error<
4878  "out-of-line %select{declaration|definition}2 of %0 "
4879  "does not match any declaration in %1; did you mean %3?">;
4880def err_member_def_does_not_match_ret_type : Error<
4881  "return type of out-of-line definition of %q0 differs from "
4882  "that in the declaration">;
4883def err_nonstatic_member_out_of_line : Error<
4884  "non-static data member defined out-of-line">;
4885def err_qualified_typedef_declarator : Error<
4886  "typedef declarator cannot be qualified">;
4887def err_qualified_param_declarator : Error<
4888  "parameter declarator cannot be qualified">;
4889def ext_out_of_line_declaration : ExtWarn<
4890  "out-of-line declaration of a member must be a definition">,
4891  InGroup<OutOfLineDeclaration>, DefaultError;
4892def warn_member_extra_qualification : Warning<
4893  "extra qualification on member %0">, InGroup<Microsoft>;
4894def err_member_extra_qualification : Error<
4895  "extra qualification on member %0">;
4896def warn_namespace_member_extra_qualification : Warning<
4897  "extra qualification on member %0">,
4898  InGroup<DiagGroup<"extra-qualification">>;
4899def err_member_qualification : Error<
4900  "non-friend class member %0 cannot have a qualified name">;
4901def note_member_def_close_match : Note<"member declaration nearly matches">;
4902def note_member_def_close_const_match : Note<
4903  "member declaration does not match because "
4904  "it %select{is|is not}0 const qualified">;
4905def note_member_def_close_param_match : Note<
4906  "type of %ordinal0 parameter of member declaration does not match definition"
4907  "%diff{ ($ vs $)|}1,2">;
4908def note_local_decl_close_match : Note<"local declaration nearly matches">;
4909def note_local_decl_close_param_match : Note<
4910  "type of %ordinal0 parameter of local declaration does not match definition"
4911  "%diff{ ($ vs $)|}1,2">;
4912def err_typecheck_ivar_variable_size : Error<
4913  "instance variables must have a constant size">;
4914def err_ivar_reference_type : Error<
4915  "instance variables cannot be of reference type">;
4916def err_typecheck_illegal_increment_decrement : Error<
4917  "cannot %select{decrement|increment}1 value of type %0">;
4918def err_typecheck_expect_int : Error<
4919  "used type %0 where integer is required">;
4920def err_typecheck_arithmetic_incomplete_type : Error<
4921  "arithmetic on a pointer to an incomplete type %0">;
4922def err_typecheck_pointer_arith_function_type : Error<
4923  "arithmetic on%select{ a|}0 pointer%select{|s}0 to%select{ the|}2 "
4924  "function type%select{|s}2 %1%select{| and %3}2">;
4925def err_typecheck_pointer_arith_void_type : Error<
4926  "arithmetic on%select{ a|}0 pointer%select{|s}0 to void">;
4927def err_typecheck_decl_incomplete_type : Error<
4928  "variable has incomplete type %0">;
4929def err_typecheck_decl_incomplete_type___float128 : Error<
4930  "support for type '__float128' is not yet implemented">;
4931def ext_typecheck_decl_incomplete_type : ExtWarn<
4932  "tentative definition of variable with internal linkage has incomplete non-array type %0">,
4933  InGroup<DiagGroup<"tentative-definition-incomplete-type">>;
4934def err_tentative_def_incomplete_type : Error<
4935  "tentative definition has type %0 that is never completed">;
4936def warn_tentative_incomplete_array : Warning<
4937  "tentative array definition assumed to have one element">;
4938def err_typecheck_incomplete_array_needs_initializer : Error<
4939  "definition of variable with array type needs an explicit size "
4940  "or an initializer">;
4941def err_array_init_not_init_list : Error<
4942  "array initializer must be an initializer "
4943  "list%select{| or string literal| or wide string literal}0">;
4944def err_array_init_narrow_string_into_wchar : Error<
4945  "initializing wide char array with non-wide string literal">;
4946def err_array_init_wide_string_into_char : Error<
4947  "initializing char array with wide string literal">;
4948def err_array_init_incompat_wide_string_into_wchar : Error<
4949  "initializing wide char array with incompatible wide string literal">;
4950def err_array_init_different_type : Error<
4951  "cannot initialize array %diff{of type $ with array of type $|"
4952  "with different type of array}0,1">;
4953def err_array_init_non_constant_array : Error<
4954  "cannot initialize array %diff{of type $ with non-constant array of type $|"
4955  "with different type of array}0,1">;
4956def ext_array_init_copy : Extension<
4957  "initialization of an array "
4958  "%diff{of type $ from a compound literal of type $|"
4959  "from a compound literal}0,1 is a GNU extension">, InGroup<GNUCompoundLiteralInitializer>;
4960// This is intentionally not disabled by -Wno-gnu.
4961def ext_array_init_parens : ExtWarn<
4962  "parenthesized initialization of a member array is a GNU extension">,
4963  InGroup<DiagGroup<"gnu-array-member-paren-init">>, DefaultError;
4964def warn_deprecated_string_literal_conversion : Warning<
4965  "conversion from string literal to %0 is deprecated">,
4966  InGroup<CXX11CompatDeprecatedWritableStr>;
4967def ext_deprecated_string_literal_conversion : ExtWarn<
4968  "ISO C++11 does not allow conversion from string literal to %0">,
4969  InGroup<WritableStrings>, SFINAEFailure;
4970def err_realimag_invalid_type : Error<"invalid type %0 to %1 operator">;
4971def err_typecheck_sclass_fscope : Error<
4972  "illegal storage class on file-scoped variable">;
4973def warn_standalone_specifier : Warning<"'%0' ignored on this declaration">,
4974  InGroup<MissingDeclarations>;
4975def ext_standalone_specifier : ExtWarn<"'%0' is not permitted on a declaration "
4976  "of a type">, InGroup<MissingDeclarations>;
4977def err_standalone_class_nested_name_specifier : Error<
4978  "forward declaration of %select{class|struct|interface|union|enum}0 cannot "
4979  "have a nested name specifier">;
4980def err_typecheck_sclass_func : Error<"illegal storage class on function">;
4981def err_static_block_func : Error<
4982  "function declared in block scope cannot have 'static' storage class">;
4983def err_typecheck_address_of : Error<"address of %select{bit-field"
4984  "|vector element|property expression|register variable}0 requested">;
4985def ext_typecheck_addrof_void : Extension<
4986  "ISO C forbids taking the address of an expression of type 'void'">;
4987def err_unqualified_pointer_member_function : Error<
4988  "must explicitly qualify name of member function when taking its address">;
4989def err_invalid_form_pointer_member_function : Error<
4990  "cannot create a non-constant pointer to member function">;
4991def err_parens_pointer_member_function : Error<
4992  "cannot parenthesize the name of a method when forming a member pointer">;
4993def err_typecheck_invalid_lvalue_addrof_addrof_function : Error<
4994  "extra '&' taking address of overloaded function">;
4995def err_typecheck_invalid_lvalue_addrof : Error<
4996  "cannot take the address of an rvalue of type %0">;
4997def ext_typecheck_addrof_temporary : ExtWarn<
4998  "taking the address of a temporary object of type %0">,
4999  InGroup<DiagGroup<"address-of-temporary">>, DefaultError;
5000def err_typecheck_addrof_temporary : Error<
5001  "taking the address of a temporary object of type %0">;
5002def err_typecheck_addrof_dtor : Error<
5003  "taking the address of a destructor">;
5004def err_typecheck_unary_expr : Error<
5005  "invalid argument type %0 to unary expression">;
5006def err_typecheck_indirection_requires_pointer : Error<
5007  "indirection requires pointer operand (%0 invalid)">;
5008def ext_typecheck_indirection_through_void_pointer : Extension<
5009  "ISO C++ does not allow indirection on operand of type %0">,
5010  InGroup<DiagGroup<"void-ptr-dereference">>;
5011def warn_indirection_through_null : Warning<
5012  "indirection of non-volatile null pointer will be deleted, not trap">, InGroup<NullDereference>;
5013def note_indirection_through_null : Note<
5014  "consider using __builtin_trap() or qualifying pointer with 'volatile'">;
5015def warn_pointer_indirection_from_incompatible_type : Warning<
5016  "dereference of type %1 that was reinterpret_cast from type %0 has undefined "
5017  "behavior">,
5018  InGroup<UndefinedReinterpretCast>, DefaultIgnore;
5019
5020def err_objc_object_assignment : Error<
5021  "cannot assign to class object (%0 invalid)">;
5022def err_typecheck_invalid_operands : Error<
5023  "invalid operands to binary expression (%0 and %1)">;
5024def err_typecheck_sub_ptr_compatible : Error<
5025  "%diff{$ and $ are not pointers to compatible types|"
5026  "pointers to incompatible types}0,1">;
5027def ext_typecheck_ordered_comparison_of_pointer_integer : ExtWarn<
5028  "ordered comparison between pointer and integer (%0 and %1)">;
5029def ext_typecheck_ordered_comparison_of_pointer_and_zero : Extension<
5030  "ordered comparison between pointer and zero (%0 and %1) is an extension">;
5031def ext_typecheck_ordered_comparison_of_function_pointers : ExtWarn<
5032  "ordered comparison of function pointers (%0 and %1)">;
5033def ext_typecheck_comparison_of_fptr_to_void : Extension<
5034  "equality comparison between function pointer and void pointer (%0 and %1)">;
5035def err_typecheck_comparison_of_fptr_to_void : Error<
5036  "equality comparison between function pointer and void pointer (%0 and %1)">;
5037def ext_typecheck_comparison_of_pointer_integer : ExtWarn<
5038  "comparison between pointer and integer (%0 and %1)">;
5039def err_typecheck_comparison_of_pointer_integer : Error<
5040  "comparison between pointer and integer (%0 and %1)">;
5041def ext_typecheck_comparison_of_distinct_pointers : ExtWarn<
5042  "comparison of distinct pointer types%diff{ ($ and $)|}0,1">,
5043  InGroup<CompareDistinctPointerType>;
5044def ext_typecheck_cond_incompatible_operands : ExtWarn<
5045  "incompatible operand types (%0 and %1)">;
5046def err_cond_voidptr_arc : Error <
5047  "operands to conditional of types%diff{ $ and $|}0,1 are incompatible "
5048  "in ARC mode">;
5049def err_typecheck_comparison_of_distinct_pointers : Error<
5050  "comparison of distinct pointer types%diff{ ($ and $)|}0,1">;
5051def ext_typecheck_comparison_of_distinct_pointers_nonstandard : ExtWarn<
5052  "comparison of distinct pointer types (%0 and %1) uses non-standard "
5053  "composite pointer type %2">, InGroup<CompareDistinctPointerType>;
5054def err_typecheck_op_on_nonoverlapping_address_space_pointers : Error<
5055  "%select{comparison between %diff{ ($ and $)|}0,1"
5056  "|arithmetic operation with operands of type %diff{ ($ and $)|}0,1}2"
5057  " which are pointers to non-overlapping address spaces">;
5058
5059def err_typecheck_assign_const : Error<
5060  "%select{"
5061  "cannot assign to return value because function %1 returns a const value|"
5062  "cannot assign to variable %1 with const-qualified type %2|"
5063  "cannot assign to %select{non-|}1static data member %2 "
5064  "with const-qualified type %3|"
5065  "cannot assign to non-static data member within const member function %1|"
5066  "read-only variable is not assignable}0">;
5067
5068def note_typecheck_assign_const : Note<
5069  "%select{"
5070  "function %1 which returns const-qualified type %2 declared here|"
5071  "variable %1 declared const here|"
5072  "%select{non-|}1static data member %2 declared const here|"
5073  "member function %q1 is declared const here}0">;
5074
5075def warn_mixed_sign_comparison : Warning<
5076  "comparison of integers of different signs: %0 and %1">,
5077  InGroup<SignCompare>, DefaultIgnore;
5078def warn_lunsigned_always_true_comparison : Warning<
5079  "comparison of unsigned%select{| enum}2 expression %0 is always %1">,
5080  InGroup<TautologicalCompare>;
5081def warn_out_of_range_compare : Warning<
5082  "comparison of %select{constant %0|true|false}1 with "
5083  "%select{expression of type %2|boolean expression}3 is always "
5084  "%select{false|true}4">, InGroup<TautologicalOutOfRangeCompare>;
5085def warn_runsigned_always_true_comparison : Warning<
5086  "comparison of %0 unsigned%select{| enum}2 expression is always %1">,
5087  InGroup<TautologicalCompare>;
5088def warn_comparison_of_mixed_enum_types : Warning<
5089  "comparison of two values with different enumeration types"
5090  "%diff{ ($ and $)|}0,1">,
5091  InGroup<DiagGroup<"enum-compare">>;
5092def warn_null_in_arithmetic_operation : Warning<
5093  "use of NULL in arithmetic operation">,
5094  InGroup<NullArithmetic>;
5095def warn_null_in_comparison_operation : Warning<
5096  "comparison between NULL and non-pointer "
5097  "%select{(%1 and NULL)|(NULL and %1)}0">,
5098  InGroup<NullArithmetic>;
5099def err_shift_rhs_only_vector : Error<
5100  "requested shift is a vector of type %0 but the first operand is not a "
5101  "vector (%1)">;
5102
5103def warn_logical_not_on_lhs_of_comparison : Warning<
5104  "logical not is only applied to the left hand side of this comparison">,
5105  InGroup<LogicalNotParentheses>;
5106def note_logical_not_fix : Note<
5107  "add parentheses after the '!' to evaluate the comparison first">;
5108def note_logical_not_silence_with_parens : Note<
5109  "add parentheses around left hand side expression to silence this warning">;
5110
5111def err_invalid_this_use : Error<
5112  "invalid use of 'this' outside of a non-static member function">;
5113def err_this_static_member_func : Error<
5114  "'this' cannot be%select{| implicitly}0 used in a static member function "
5115  "declaration">;
5116def err_invalid_member_use_in_static_method : Error<
5117  "invalid use of member %0 in static member function">;
5118def err_invalid_qualified_function_type : Error<
5119  "%select{static |non-}0member function %select{of type %2 |}1"
5120  "cannot have '%3' qualifier">;
5121def err_compound_qualified_function_type : Error<
5122  "%select{block pointer|pointer|reference}0 to function type %select{%2 |}1"
5123  "cannot have '%3' qualifier">;
5124
5125def err_ref_qualifier_overload : Error<
5126  "cannot overload a member function %select{without a ref-qualifier|with "
5127  "ref-qualifier '&'|with ref-qualifier '&&'}0 with a member function %select{"
5128  "without a ref-qualifier|with ref-qualifier '&'|with ref-qualifier '&&'}1">;
5129
5130def err_invalid_non_static_member_use : Error<
5131  "invalid use of non-static data member %0">;
5132def err_nested_non_static_member_use : Error<
5133  "%select{call to non-static member function|use of non-static data member}0 "
5134  "%2 of %1 from nested type %3">;
5135def warn_cxx98_compat_non_static_member_use : Warning<
5136  "use of non-static data member %0 in an unevaluated context is "
5137  "incompatible with C++98">, InGroup<CXX98Compat>, DefaultIgnore;
5138def err_invalid_incomplete_type_use : Error<
5139  "invalid use of incomplete type %0">;
5140def err_builtin_func_cast_more_than_one_arg : Error<
5141  "function-style cast to a builtin type can only take one argument">;
5142def err_value_init_for_array_type : Error<
5143  "array types cannot be value-initialized">;
5144def warn_format_nonliteral_noargs : Warning<
5145  "format string is not a string literal (potentially insecure)">,
5146  InGroup<FormatSecurity>;
5147def warn_format_nonliteral : Warning<
5148  "format string is not a string literal">,
5149  InGroup<FormatNonLiteral>, DefaultIgnore;
5150
5151def err_unexpected_interface : Error<
5152  "unexpected interface name %0: expected expression">;
5153def err_ref_non_value : Error<"%0 does not refer to a value">;
5154def err_ref_vm_type : Error<
5155  "cannot refer to declaration with a variably modified type inside block">;
5156def err_ref_flexarray_type : Error<
5157  "cannot refer to declaration of structure variable with flexible array member "
5158  "inside block">;
5159def err_ref_array_type : Error<
5160  "cannot refer to declaration with an array type inside block">;
5161def err_property_not_found : Error<
5162  "property %0 not found on object of type %1">;
5163def err_invalid_property_name : Error<
5164  "%0 is not a valid property name (accessing an object of type %1)">;
5165def err_getter_not_found : Error<
5166  "no getter method for read from property">;
5167def err_objc_subscript_method_not_found : Error<
5168  "expected method to %select{read|write}1 %select{dictionary|array}2 element not "
5169  "found on object of type %0">;
5170def err_objc_subscript_index_type : Error<
5171  "method index parameter type %0 is not integral type">;
5172def err_objc_subscript_key_type : Error<
5173  "method key parameter type %0 is not object type">;
5174def err_objc_subscript_dic_object_type : Error<
5175  "method object parameter type %0 is not object type">;
5176def err_objc_subscript_object_type : Error<
5177  "cannot assign to this %select{dictionary|array}1 because assigning method's "
5178  "2nd parameter of type %0 is not an Objective-C pointer type">;
5179def err_objc_subscript_base_type : Error<
5180  "%select{dictionary|array}1 subscript base type %0 is not an Objective-C object">;
5181def err_objc_multiple_subscript_type_conversion : Error<
5182  "indexing expression is invalid because subscript type %0 has "
5183  "multiple type conversion functions">;
5184def err_objc_subscript_type_conversion : Error<
5185  "indexing expression is invalid because subscript type %0 is not an integral"
5186  " or Objective-C pointer type">;
5187def err_objc_subscript_pointer : Error<
5188  "indexing expression is invalid because subscript type %0 is not an"
5189  " Objective-C pointer">;
5190def err_objc_indexing_method_result_type : Error<
5191  "method for accessing %select{dictionary|array}1 element must have Objective-C"
5192  " object return type instead of %0">;
5193def err_objc_index_incomplete_class_type : Error<
5194  "Objective-C index expression has incomplete class type %0">;
5195def err_illegal_container_subscripting_op : Error<
5196  "illegal operation on Objective-C container subscripting">;
5197def err_property_not_found_forward_class : Error<
5198  "property %0 cannot be found in forward class object %1">;
5199def err_property_not_as_forward_class : Error<
5200  "property %0 refers to an incomplete Objective-C class %1 "
5201  "(with no @interface available)">;
5202def note_forward_class : Note<
5203  "forward declaration of class here">;
5204def err_duplicate_property : Error<
5205  "property has a previous declaration">;
5206def ext_gnu_void_ptr : Extension<
5207  "arithmetic on%select{ a|}0 pointer%select{|s}0 to void is a GNU extension">,
5208  InGroup<PointerArith>;
5209def ext_gnu_ptr_func_arith : Extension<
5210  "arithmetic on%select{ a|}0 pointer%select{|s}0 to%select{ the|}2 function "
5211  "type%select{|s}2 %1%select{| and %3}2 is a GNU extension">,
5212  InGroup<PointerArith>;
5213def error_readonly_message_assignment : Error<
5214  "assigning to 'readonly' return result of an Objective-C message not allowed">;
5215def ext_integer_increment_complex : Extension<
5216  "ISO C does not support '++'/'--' on complex integer type %0">;
5217def ext_integer_complement_complex : Extension<
5218  "ISO C does not support '~' for complex conjugation of %0">;
5219def err_nosetter_property_assignment : Error<
5220  "%select{assignment to readonly property|"
5221  "no setter method %1 for assignment to property}0">;
5222def err_nosetter_property_incdec : Error<
5223  "%select{%select{increment|decrement}1 of readonly property|"
5224  "no setter method %2 for %select{increment|decrement}1 of property}0">;
5225def err_nogetter_property_compound_assignment : Error<
5226  "a getter method is needed to perform a compound assignment on a property">;
5227def err_nogetter_property_incdec : Error<
5228  "no getter method %1 for %select{increment|decrement}0 of property">;
5229def error_no_subobject_property_setting : Error<
5230  "expression is not assignable">;
5231def err_qualified_objc_access : Error<
5232  "%select{property|instance variable}0 access cannot be qualified with '%1'">;
5233
5234def ext_freestanding_complex : Extension<
5235  "complex numbers are an extension in a freestanding C99 implementation">;
5236
5237// FIXME: Remove when we support imaginary.
5238def err_imaginary_not_supported : Error<"imaginary types are not supported">;
5239
5240// Obj-c expressions
5241def warn_root_inst_method_not_found : Warning<
5242  "instance method %0 is being used on 'Class' which is not in the root class">,
5243  InGroup<MethodAccess>;
5244def warn_class_method_not_found : Warning<
5245  "class method %objcclass0 not found (return type defaults to 'id')">,
5246  InGroup<MethodAccess>;
5247def warn_instance_method_on_class_found : Warning<
5248  "instance method %0 found instead of class method %1">,
5249  InGroup<MethodAccess>;
5250def warn_inst_method_not_found : Warning<
5251  "instance method %objcinstance0 not found (return type defaults to 'id')">,
5252  InGroup<MethodAccess>;
5253def warn_instance_method_not_found_with_typo : Warning<
5254  "instance method %objcinstance0 not found (return type defaults to 'id')"
5255  "; did you mean %objcinstance2?">, InGroup<MethodAccess>;
5256def warn_class_method_not_found_with_typo : Warning<
5257  "class method %objcclass0 not found (return type defaults to 'id')"
5258  "; did you mean %objcclass2?">, InGroup<MethodAccess>;
5259def error_method_not_found_with_typo : Error<
5260  "%select{instance|class}1 method %0 not found "
5261  "; did you mean %2?">;
5262def error_no_super_class_message : Error<
5263  "no @interface declaration found in class messaging of %0">;
5264def error_root_class_cannot_use_super : Error<
5265  "%0 cannot use 'super' because it is a root class">;
5266def err_invalid_receiver_to_message_super : Error<
5267  "'super' is only valid in a method body">;
5268def err_invalid_receiver_class_message : Error<
5269  "receiver type %0 is not an Objective-C class">;
5270def err_missing_open_square_message_send : Error<
5271  "missing '[' at start of message send expression">;
5272def warn_bad_receiver_type : Warning<
5273  "receiver type %0 is not 'id' or interface pointer, consider "
5274  "casting it to 'id'">,InGroup<ObjCReceiver>;
5275def err_bad_receiver_type : Error<"bad receiver type %0">;
5276def err_incomplete_receiver_type : Error<"incomplete receiver type %0">;
5277def err_unknown_receiver_suggest : Error<
5278  "unknown receiver %0; did you mean %1?">;
5279def error_objc_throw_expects_object : Error<
5280  "@throw requires an Objective-C object type (%0 invalid)">;
5281def error_objc_synchronized_expects_object : Error<
5282  "@synchronized requires an Objective-C object type (%0 invalid)">;
5283def error_rethrow_used_outside_catch : Error<
5284  "@throw (rethrow) used outside of a @catch block">;
5285def err_attribute_multiple_objc_gc : Error<
5286  "multiple garbage collection attributes specified for type">;
5287def err_catch_param_not_objc_type : Error<
5288  "@catch parameter is not a pointer to an interface type">;
5289def err_illegal_qualifiers_on_catch_parm : Error<
5290  "illegal qualifiers on @catch parameter">;
5291def err_storage_spec_on_catch_parm : Error<
5292  "@catch parameter cannot have storage specifier '%0'">;
5293def warn_register_objc_catch_parm : Warning<
5294  "'register' storage specifier on @catch parameter will be ignored">;
5295def err_qualified_objc_catch_parm : Error<
5296  "@catch parameter declarator cannot be qualified">;
5297def warn_objc_pointer_cxx_catch_fragile : Warning<
5298  "cannot catch an exception thrown with @throw in C++ in the non-unified "
5299  "exception model">, InGroup<ObjCNonUnifiedException>;
5300def err_objc_object_catch : Error<
5301  "can't catch an Objective-C object by value">;
5302def err_incomplete_type_objc_at_encode : Error<
5303  "'@encode' of incomplete type %0">;
5304def warn_objc_circular_container : Warning<
5305  "adding '%0' to '%0' might cause circular dependency in container">,
5306  InGroup<DiagGroup<"objc-circular-container">>;
5307def note_objc_circular_container_declared_here : Note<"'%0' declared here">;
5308
5309def warn_setter_getter_impl_required : Warning<
5310  "property %0 requires method %1 to be defined - "
5311  "use @synthesize, @dynamic or provide a method implementation "
5312  "in this class implementation">,
5313  InGroup<ObjCPropertyImpl>;
5314def warn_setter_getter_impl_required_in_category : Warning<
5315  "property %0 requires method %1 to be defined - "
5316  "use @dynamic or provide a method implementation in this category">,
5317  InGroup<ObjCPropertyImpl>;
5318def note_parameter_named_here : Note<
5319  "passing argument to parameter %0 here">;
5320def note_parameter_here : Note<
5321  "passing argument to parameter here">;
5322def note_method_return_type_change : Note<
5323  "compiler has implicitly changed method %0 return type">;
5324
5325// C++ casts
5326// These messages adhere to the TryCast pattern: %0 is an int specifying the
5327// cast type, %1 is the source type, %2 is the destination type.
5328def err_bad_reinterpret_cast_overload : Error<
5329  "reinterpret_cast cannot resolve overloaded function %0 to type %1">;
5330
5331def warn_reinterpret_different_from_static : Warning<
5332  "'reinterpret_cast' %select{from|to}3 class %0 %select{to|from}3 its "
5333  "%select{virtual base|base at non-zero offset}2 %1 behaves differently from "
5334  "'static_cast'">, InGroup<ReinterpretBaseClass>;
5335def note_reinterpret_updowncast_use_static: Note<
5336  "use 'static_cast' to adjust the pointer correctly while "
5337  "%select{upcasting|downcasting}0">;
5338
5339def err_bad_static_cast_overload : Error<
5340  "address of overloaded function %0 cannot be static_cast to type %1">;
5341
5342def err_bad_cstyle_cast_overload : Error<
5343  "address of overloaded function %0 cannot be cast to type %1">;
5344
5345
5346def err_bad_cxx_cast_generic : Error<
5347  "%select{const_cast|static_cast|reinterpret_cast|dynamic_cast|C-style cast|"
5348  "functional-style cast}0 from %1 to %2 is not allowed">;
5349def err_bad_cxx_cast_unrelated_class : Error<
5350  "%select{const_cast|static_cast|reinterpret_cast|dynamic_cast|C-style cast|"
5351  "functional-style cast}0 from %1 to %2, which are not related by "
5352  "inheritance, is not allowed">;
5353def note_type_incomplete : Note<"%0 is incomplete">;
5354def err_bad_cxx_cast_rvalue : Error<
5355  "%select{const_cast|static_cast|reinterpret_cast|dynamic_cast|C-style cast|"
5356  "functional-style cast}0 from rvalue to reference type %2">;
5357def err_bad_cxx_cast_bitfield : Error<
5358  "%select{const_cast|static_cast|reinterpret_cast|dynamic_cast|C-style cast|"
5359  "functional-style cast}0 from bit-field lvalue to reference type %2">;
5360def err_bad_cxx_cast_qualifiers_away : Error<
5361  "%select{const_cast|static_cast|reinterpret_cast|dynamic_cast|C-style cast|"
5362  "functional-style cast}0 from %1 to %2 casts away qualifiers">;
5363def err_bad_const_cast_dest : Error<
5364  "%select{const_cast||||C-style cast|functional-style cast}0 to %2, "
5365  "which is not a reference, pointer-to-object, or pointer-to-data-member">;
5366def ext_cast_fn_obj : Extension<
5367  "cast between pointer-to-function and pointer-to-object is an extension">;
5368def warn_cxx98_compat_cast_fn_obj : Warning<
5369  "cast between pointer-to-function and pointer-to-object is incompatible with C++98">,
5370  InGroup<CXX98CompatPedantic>, DefaultIgnore;
5371def err_bad_reinterpret_cast_small_int : Error<
5372  "cast from pointer to smaller type %2 loses information">;
5373def err_bad_cxx_cast_vector_to_scalar_different_size : Error<
5374  "%select{||reinterpret_cast||C-style cast|}0 from vector %1 "
5375  "to scalar %2 of different size">;
5376def err_bad_cxx_cast_scalar_to_vector_different_size : Error<
5377  "%select{||reinterpret_cast||C-style cast|}0 from scalar %1 "
5378  "to vector %2 of different size">;
5379def err_bad_cxx_cast_vector_to_vector_different_size : Error<
5380  "%select{||reinterpret_cast||C-style cast|}0 from vector %1 "
5381  "to vector %2 of different size">;
5382def err_bad_lvalue_to_rvalue_cast : Error<
5383  "cannot cast from lvalue of type %1 to rvalue reference type %2; types are "
5384  "not compatible">;
5385def err_bad_static_cast_pointer_nonpointer : Error<
5386  "cannot cast from type %1 to pointer type %2">;
5387def err_bad_static_cast_member_pointer_nonmp : Error<
5388  "cannot cast from type %1 to member pointer type %2">;
5389def err_bad_cxx_cast_member_pointer_size : Error<
5390  "cannot %select{||reinterpret_cast||C-style cast|}0 from member pointer "
5391  "type %1 to member pointer type %2 of different size">;
5392def err_bad_reinterpret_cast_reference : Error<
5393  "reinterpret_cast of a %0 to %1 needs its address, which is not allowed">;
5394def warn_undefined_reinterpret_cast : Warning<
5395  "reinterpret_cast from %0 to %1 has undefined behavior">,
5396  InGroup<UndefinedReinterpretCast>, DefaultIgnore;
5397
5398// These messages don't adhere to the pattern.
5399// FIXME: Display the path somehow better.
5400def err_ambiguous_base_to_derived_cast : Error<
5401  "ambiguous cast from base %0 to derived %1:%2">;
5402def err_static_downcast_via_virtual : Error<
5403  "cannot cast %0 to %1 via virtual base %2">;
5404def err_downcast_from_inaccessible_base : Error<
5405  "cannot cast %select{private|protected}2 base class %1 to %0">;
5406def err_upcast_to_inaccessible_base : Error<
5407  "cannot cast %0 to its %select{private|protected}2 base class %1">;
5408def err_bad_dynamic_cast_not_ref_or_ptr : Error<
5409  "%0 is not a reference or pointer">;
5410def err_bad_dynamic_cast_not_class : Error<"%0 is not a class">;
5411def err_bad_dynamic_cast_incomplete : Error<"%0 is an incomplete type">;
5412def err_bad_dynamic_cast_not_ptr : Error<"%0 is not a pointer">;
5413def err_bad_dynamic_cast_not_polymorphic : Error<"%0 is not polymorphic">;
5414
5415// Other C++ expressions
5416def err_need_header_before_typeid : Error<
5417  "you need to include <typeinfo> before using the 'typeid' operator">;
5418def err_need_header_before_ms_uuidof : Error<
5419  "you need to include <guiddef.h> before using the '__uuidof' operator">;
5420def err_ms___leave_not_in___try : Error<
5421  "'__leave' statement not in __try block">;
5422def err_uuidof_without_guid : Error<
5423  "cannot call operator __uuidof on a type with no GUID">;
5424def err_uuidof_with_multiple_guids : Error<
5425  "cannot call operator __uuidof on a type with multiple GUIDs">;
5426def err_incomplete_typeid : Error<"'typeid' of incomplete type %0">;
5427def err_variably_modified_typeid : Error<"'typeid' of variably modified type %0">;
5428def err_static_illegal_in_new : Error<
5429  "the 'static' modifier for the array size is not legal in new expressions">;
5430def err_array_new_needs_size : Error<
5431  "array size must be specified in new expressions">;
5432def err_bad_new_type : Error<
5433  "cannot allocate %select{function|reference}1 type %0 with new">;
5434def err_new_incomplete_type : Error<
5435  "allocation of incomplete type %0">;
5436def err_new_array_nonconst : Error<
5437  "only the first dimension of an allocated array may have dynamic size">;
5438def err_new_array_init_args : Error<
5439  "array 'new' cannot have initialization arguments">;
5440def ext_new_paren_array_nonconst : ExtWarn<
5441  "when type is in parentheses, array cannot have dynamic size">;
5442def err_placement_new_non_placement_delete : Error<
5443  "'new' expression with placement arguments refers to non-placement "
5444  "'operator delete'">;
5445def err_array_size_not_integral : Error<
5446  "array size expression must have integral or %select{|unscoped }0"
5447  "enumeration type, not %1">;
5448def err_array_size_incomplete_type : Error<
5449  "array size expression has incomplete class type %0">;
5450def err_array_size_explicit_conversion : Error<
5451  "array size expression of type %0 requires explicit conversion to type %1">;
5452def note_array_size_conversion : Note<
5453  "conversion to %select{integral|enumeration}0 type %1 declared here">;
5454def err_array_size_ambiguous_conversion : Error<
5455  "ambiguous conversion of array size expression of type %0 to an integral or "
5456  "enumeration type">;
5457def ext_array_size_conversion : Extension<
5458  "implicit conversion from array size expression of type %0 to "
5459  "%select{integral|enumeration}1 type %2 is a C++11 extension">,
5460  InGroup<CXX11>;
5461def warn_cxx98_compat_array_size_conversion : Warning<
5462  "implicit conversion from array size expression of type %0 to "
5463  "%select{integral|enumeration}1 type %2 is incompatible with C++98">,
5464  InGroup<CXX98CompatPedantic>, DefaultIgnore;
5465def err_address_space_qualified_new : Error<
5466  "'new' cannot allocate objects of type %0 in address space '%1'">;
5467def err_address_space_qualified_delete : Error<
5468  "'delete' cannot delete objects of type %0 in address space '%1'">;
5469
5470def err_default_init_const : Error<
5471  "default initialization of an object of const type %0"
5472  "%select{| without a user-provided default constructor}1">;
5473def note_add_initializer : Note<
5474  "add an explicit initializer to initialize %0">;
5475def err_delete_operand : Error<"cannot delete expression of type %0">;
5476def ext_delete_void_ptr_operand : ExtWarn<
5477  "cannot delete expression with pointer-to-'void' type %0">,
5478  InGroup<DeleteIncomplete>;
5479def err_ambiguous_delete_operand : Error<
5480  "ambiguous conversion of delete expression of type %0 to a pointer">;
5481def warn_delete_incomplete : Warning<
5482  "deleting pointer to incomplete type %0 may cause undefined behavior">,
5483  InGroup<DeleteIncomplete>;
5484def err_delete_incomplete_class_type : Error<
5485  "deleting incomplete class type %0; no conversions to pointer type">;
5486def err_delete_explicit_conversion : Error<
5487  "converting delete expression from type %0 to type %1 invokes an explicit "
5488  "conversion function">;
5489def note_delete_conversion : Note<"conversion to pointer type %0">;
5490def warn_delete_array_type : Warning<
5491  "'delete' applied to a pointer-to-array type %0 treated as delete[]">;
5492def err_no_suitable_delete_member_function_found : Error<
5493  "no suitable member %0 in %1">;
5494def err_ambiguous_suitable_delete_member_function_found : Error<
5495  "multiple suitable %0 functions in %1">;
5496def note_member_declared_here : Note<
5497  "member %0 declared here">;
5498def err_decrement_bool : Error<"cannot decrement expression of type bool">;
5499def warn_increment_bool : Warning<
5500  "incrementing expression of type bool is deprecated">,
5501  InGroup<DeprecatedIncrementBool>;
5502def err_increment_decrement_enum : Error<
5503  "cannot %select{decrement|increment}0 expression of enum type %1">;
5504def err_catch_incomplete_ptr : Error<
5505  "cannot catch pointer to incomplete type %0">;
5506def err_catch_incomplete_ref : Error<
5507  "cannot catch reference to incomplete type %0">;
5508def err_catch_incomplete : Error<"cannot catch incomplete type %0">;
5509def err_catch_rvalue_ref : Error<"cannot catch exceptions by rvalue reference">;
5510def err_qualified_catch_declarator : Error<
5511  "exception declarator cannot be qualified">;
5512def err_early_catch_all : Error<"catch-all handler must come last">;
5513def err_bad_memptr_rhs : Error<
5514  "right hand operand to %0 has non-pointer-to-member type %1">;
5515def err_bad_memptr_lhs : Error<
5516  "left hand operand to %0 must be a %select{|pointer to }1class "
5517  "compatible with the right hand operand, but is %2">;
5518def warn_exception_caught_by_earlier_handler : Warning<
5519  "exception of type %0 will be caught by earlier handler">,
5520  InGroup<Exceptions>;
5521def note_previous_exception_handler : Note<"for type %0">;
5522def err_exceptions_disabled : Error<
5523  "cannot use '%0' with exceptions disabled">;
5524def err_objc_exceptions_disabled : Error<
5525  "cannot use '%0' with Objective-C exceptions disabled">;
5526def err_seh_try_outside_functions : Error<
5527  "cannot use SEH '__try' in blocks, captured regions, or Obj-C method decls">;
5528def err_mixing_cxx_try_seh_try : Error<
5529  "cannot use C++ 'try' in the same function as SEH '__try'">;
5530def note_conflicting_try_here : Note<
5531  "conflicting %0 here">;
5532def warn_jump_out_of_seh_finally : Warning<
5533  "jump out of __finally block has undefined behavior">,
5534  InGroup<DiagGroup<"jump-seh-finally">>;
5535def warn_non_virtual_dtor : Warning<
5536  "%0 has virtual functions but non-virtual destructor">,
5537  InGroup<NonVirtualDtor>, DefaultIgnore;
5538def warn_delete_non_virtual_dtor : Warning<
5539  "delete called on %0 that has virtual functions but non-virtual destructor">,
5540  InGroup<DeleteNonVirtualDtor>, DefaultIgnore;
5541def warn_delete_abstract_non_virtual_dtor : Warning<
5542  "delete called on %0 that is abstract but has non-virtual destructor">,
5543  InGroup<DeleteNonVirtualDtor>;
5544def warn_overloaded_virtual : Warning<
5545  "%q0 hides overloaded virtual %select{function|functions}1">,
5546  InGroup<OverloadedVirtual>, DefaultIgnore;
5547def note_hidden_overloaded_virtual_declared_here : Note<
5548  "hidden overloaded virtual function %q0 declared here"
5549  "%select{|: different classes%diff{ ($ vs $)|}2,3"
5550  "|: different number of parameters (%2 vs %3)"
5551  "|: type mismatch at %ordinal2 parameter%diff{ ($ vs $)|}3,4"
5552  "|: different return type%diff{ ($ vs $)|}2,3"
5553  "|: different qualifiers ("
5554  "%select{none|const|restrict|const and restrict|volatile|const and volatile|"
5555  "volatile and restrict|const, volatile, and restrict}2 vs "
5556  "%select{none|const|restrict|const and restrict|volatile|const and volatile|"
5557  "volatile and restrict|const, volatile, and restrict}3)}1">;
5558def warn_using_directive_in_header : Warning<
5559  "using namespace directive in global context in header">,
5560  InGroup<HeaderHygiene>, DefaultIgnore;
5561def warn_overaligned_type : Warning<
5562  "type %0 requires %1 bytes of alignment and the default allocator only "
5563  "guarantees %2 bytes">,
5564  InGroup<OveralignedType>, DefaultIgnore;
5565
5566def err_conditional_void_nonvoid : Error<
5567  "%select{left|right}1 operand to ? is void, but %select{right|left}1 operand "
5568  "is of type %0">;
5569def err_conditional_ambiguous : Error<
5570  "conditional expression is ambiguous; "
5571  "%diff{$ can be converted to $ and vice versa|"
5572  "types can be convert to each other}0,1">;
5573def err_conditional_ambiguous_ovl : Error<
5574  "conditional expression is ambiguous; %diff{$ and $|types}0,1 "
5575  "can be converted to several common types">;
5576def err_conditional_vector_size : Error<
5577  "vector condition type %0 and result type %1 do not have the same number "
5578  "of elements">;
5579def err_conditional_vector_element_size : Error<
5580  "vector condition type %0 and result type %1 do not have elements of the "
5581  "same size">;
5582
5583def err_throw_incomplete : Error<
5584  "cannot throw object of incomplete type %0">;
5585def err_throw_incomplete_ptr : Error<
5586  "cannot throw pointer to object of incomplete type %0">;
5587def err_return_in_constructor_handler : Error<
5588  "return in the catch of a function try block of a constructor is illegal">;
5589
5590let CategoryName = "Lambda Issue" in {
5591  def err_capture_more_than_once : Error<
5592    "%0 can appear only once in a capture list">;
5593  def err_reference_capture_with_reference_default : Error<
5594    "'&' cannot precede a capture when the capture default is '&'">;
5595  def err_this_capture_with_copy_default : Error<
5596    "'this' cannot be explicitly captured when the capture default is '='">;
5597  def err_copy_capture_with_copy_default : Error<
5598    "'&' must precede a capture when the capture default is '='">;
5599  def err_capture_does_not_name_variable : Error<
5600    "%0 in capture list does not name a variable">;
5601  def err_capture_non_automatic_variable : Error<
5602    "%0 cannot be captured because it does not have automatic storage "
5603    "duration">;
5604  def err_this_capture : Error<
5605    "'this' cannot be %select{implicitly |}0captured in this context">;
5606  def err_lambda_capture_anonymous_var : Error<
5607    "unnamed variable cannot be implicitly captured in a lambda expression">;
5608  def err_lambda_capture_flexarray_type : Error<
5609    "variable %0 with flexible array member cannot be captured in "
5610    "a lambda expression">;
5611  def err_lambda_impcap : Error<
5612    "variable %0 cannot be implicitly captured in a lambda with no "
5613    "capture-default specified">;
5614  def note_lambda_decl : Note<"lambda expression begins here">;
5615  def err_lambda_unevaluated_operand : Error<
5616    "lambda expression in an unevaluated operand">;
5617  def err_lambda_in_constant_expression : Error<
5618    "a lambda expression may not appear inside of a constant expression">;
5619  def err_lambda_return_init_list : Error<
5620    "cannot deduce lambda return type from initializer list">;
5621  def err_lambda_capture_default_arg : Error<
5622    "lambda expression in default argument cannot capture any entity">;
5623  def err_lambda_incomplete_result : Error<
5624    "incomplete result type %0 in lambda expression">;
5625  def err_noreturn_lambda_has_return_expr : Error<
5626    "lambda declared 'noreturn' should not return">;
5627  def warn_maybe_falloff_nonvoid_lambda : Warning<
5628    "control may reach end of non-void lambda">,
5629    InGroup<ReturnType>;
5630  def warn_falloff_nonvoid_lambda : Warning<
5631    "control reaches end of non-void lambda">,
5632    InGroup<ReturnType>;
5633  def err_access_lambda_capture : Error<
5634    // The ERRORs represent other special members that aren't constructors, in
5635    // hopes that someone will bother noticing and reporting if they appear
5636    "capture of variable '%0' as type %1 calls %select{private|protected}3 "
5637    "%select{default |copy |move |*ERROR* |*ERROR* |*ERROR* |}2constructor">,
5638    AccessControl;
5639  def note_lambda_to_block_conv : Note<
5640    "implicit capture of lambda object due to conversion to block pointer "
5641    "here">;
5642
5643  // C++14 lambda init-captures.
5644  def warn_cxx11_compat_init_capture : Warning<
5645    "initialized lambda captures are incompatible with C++ standards "
5646    "before C++14">, InGroup<CXXPre14Compat>, DefaultIgnore;
5647  def ext_init_capture : ExtWarn<
5648    "initialized lambda captures are a C++14 extension">, InGroup<CXX14>;
5649  def err_init_capture_no_expression : Error<
5650    "initializer missing for lambda capture %0">;
5651  def err_init_capture_multiple_expressions : Error<
5652    "initializer for lambda capture %0 contains multiple expressions">;
5653  def err_init_capture_paren_braces : Error<
5654    "cannot deduce type for lambda capture %0 from "
5655    "parenthesized initializer list">;
5656  def err_init_capture_deduction_failure : Error<
5657    "cannot deduce type for lambda capture %0 from initializer of type %2">;
5658  def err_init_capture_deduction_failure_from_init_list : Error<
5659    "cannot deduce type for lambda capture %0 from initializer list">;
5660}
5661
5662def err_return_in_captured_stmt : Error<
5663  "cannot return from %0">;
5664def err_capture_block_variable : Error<
5665  "__block variable %0 cannot be captured in a "
5666  "%select{lambda expression|captured statement}1">;
5667
5668def err_operator_arrow_circular : Error<
5669  "circular pointer delegation detected">;
5670def err_operator_arrow_depth_exceeded : Error<
5671  "use of 'operator->' on type %0 would invoke a sequence of more than %1 "
5672  "'operator->' calls">;
5673def note_operator_arrow_here : Note<
5674  "'operator->' declared here produces an object of type %0">;
5675def note_operator_arrows_suppressed : Note<
5676  "(skipping %0 'operator->'%s0 in backtrace)">;
5677def note_operator_arrow_depth : Note<
5678  "use -foperator-arrow-depth=N to increase 'operator->' limit">;
5679
5680def err_pseudo_dtor_base_not_scalar : Error<
5681  "object expression of non-scalar type %0 cannot be used in a "
5682  "pseudo-destructor expression">;
5683def ext_pseudo_dtor_on_void : ExtWarn<
5684  "pseudo-destructors on type void are a Microsoft extension">,
5685  InGroup<Microsoft>;
5686def err_pseudo_dtor_type_mismatch : Error<
5687  "the type of object expression "
5688  "%diff{($) does not match the type being destroyed ($)|"
5689  "does not match the type being destroyed}0,1 "
5690  "in pseudo-destructor expression">;
5691def err_pseudo_dtor_call_with_args : Error<
5692  "call to pseudo-destructor cannot have any arguments">;
5693def err_dtor_expr_without_call : Error<
5694  "reference to %select{destructor|pseudo-destructor}0 must be called"
5695  "%select{|; did you mean to call it with no arguments?}1">;
5696def err_pseudo_dtor_destructor_non_type : Error<
5697  "%0 does not refer to a type name in pseudo-destructor expression; expected "
5698  "the name of type %1">;
5699def err_invalid_use_of_function_type : Error<
5700  "a function type is not allowed here">;
5701def err_invalid_use_of_array_type : Error<"an array type is not allowed here">;
5702def err_type_defined_in_condition : Error<
5703  "types may not be defined in conditions">;
5704def err_typecheck_bool_condition : Error<
5705  "value of type %0 is not contextually convertible to 'bool'">;
5706def err_typecheck_ambiguous_condition : Error<
5707  "conversion %diff{from $ to $|between types}0,1 is ambiguous">;
5708def err_typecheck_nonviable_condition : Error<
5709  "no viable conversion%diff{ from $ to $|}0,1">;
5710def err_typecheck_nonviable_condition_incomplete : Error<
5711  "no viable conversion%diff{ from $ to incomplete type $|}0,1">;
5712def err_typecheck_deleted_function : Error<
5713  "conversion function %diff{from $ to $|between types}0,1 "
5714  "invokes a deleted function">;
5715
5716def err_expected_class_or_namespace : Error<"%0 is not a class"
5717  "%select{ or namespace|, namespace, or enumeration}1">;
5718def err_invalid_declarator_scope : Error<"cannot define or redeclare %0 here "
5719  "because namespace %1 does not enclose namespace %2">;
5720def err_invalid_declarator_global_scope : Error<
5721  "definition or redeclaration of %0 cannot name the global scope">;
5722def err_invalid_declarator_in_function : Error<
5723  "definition or redeclaration of %0 not allowed inside a function">;
5724def err_invalid_declarator_in_block : Error<
5725  "definition or redeclaration of %0 not allowed inside a block">;
5726def err_not_tag_in_scope : Error<
5727  "no %select{struct|interface|union|class|enum}0 named %1 in %2">;
5728
5729def err_no_typeid_with_fno_rtti : Error<
5730  "cannot use typeid with -fno-rtti">;
5731def err_no_dynamic_cast_with_fno_rtti : Error<
5732  "cannot use dynamic_cast with -fno-rtti">;
5733
5734def err_cannot_form_pointer_to_member_of_reference_type : Error<
5735  "cannot form a pointer-to-member to member %0 of reference type %1">;
5736def err_incomplete_object_call : Error<
5737  "incomplete type in call to object of type %0">;
5738
5739def warn_condition_is_assignment : Warning<"using the result of an "
5740  "assignment as a condition without parentheses">,
5741  InGroup<Parentheses>;
5742// Completely identical except off by default.
5743def warn_condition_is_idiomatic_assignment : Warning<"using the result "
5744  "of an assignment as a condition without parentheses">,
5745  InGroup<DiagGroup<"idiomatic-parentheses">>, DefaultIgnore;
5746def note_condition_assign_to_comparison : Note<
5747  "use '==' to turn this assignment into an equality comparison">;
5748def note_condition_or_assign_to_comparison : Note<
5749  "use '!=' to turn this compound assignment into an inequality comparison">;
5750def note_condition_assign_silence : Note<
5751  "place parentheses around the assignment to silence this warning">;
5752
5753def warn_equality_with_extra_parens : Warning<"equality comparison with "
5754  "extraneous parentheses">, InGroup<ParenthesesOnEquality>;
5755def note_equality_comparison_to_assign : Note<
5756  "use '=' to turn this equality comparison into an assignment">;
5757def note_equality_comparison_silence : Note<
5758  "remove extraneous parentheses around the comparison to silence this warning">;
5759
5760// assignment related diagnostics (also for argument passing, returning, etc).
5761// In most of these diagnostics the %2 is a value from the
5762// Sema::AssignmentAction enumeration
5763def err_typecheck_convert_incompatible : Error<
5764  "%select{%diff{assigning to $ from incompatible type $|"
5765  "assigning to type from incompatible type}0,1"
5766  "|%diff{passing $ to parameter of incompatible type $|"
5767  "passing type to parameter of incompatible type}0,1"
5768  "|%diff{returning $ from a function with incompatible result type $|"
5769  "returning type from a function with incompatible result type}0,1"
5770  "|%diff{converting $ to incompatible type $|"
5771  "converting type to incompatible type}0,1"
5772  "|%diff{initializing $ with an expression of incompatible type $|"
5773  "initializing type with an expression of incompatible type}0,1"
5774  "|%diff{sending $ to parameter of incompatible type $|"
5775  "sending type to parameter of incompatible type}0,1"
5776  "|%diff{casting $ to incompatible type $|"
5777  "casting type to incompatible type}0,1}2"
5778  "%select{|; dereference with *|"
5779  "; take the address with &|"
5780  "; remove *|"
5781  "; remove &}3"
5782  "%select{|: different classes%diff{ ($ vs $)|}5,6"
5783  "|: different number of parameters (%5 vs %6)"
5784  "|: type mismatch at %ordinal5 parameter%diff{ ($ vs $)|}6,7"
5785  "|: different return type%diff{ ($ vs $)|}5,6"
5786  "|: different qualifiers ("
5787  "%select{none|const|restrict|const and restrict|volatile|const and volatile|"
5788  "volatile and restrict|const, volatile, and restrict}5 vs "
5789  "%select{none|const|restrict|const and restrict|volatile|const and volatile|"
5790  "volatile and restrict|const, volatile, and restrict}6)}4">;
5791def err_typecheck_missing_return_type_incompatible : Error<
5792  "%diff{return type $ must match previous return type $|"
5793  "return type must match previous return type}0,1 when %select{block "
5794  "literal|lambda expression}2 has unspecified explicit return type">;
5795
5796def not_incomplete_class_and_qualified_id : Note<
5797  "conformance of forward class %0 to protocol %1 can not be confirmed">;
5798def warn_incompatible_qualified_id : Warning<
5799  "%select{%diff{assigning to $ from incompatible type $|"
5800  "assigning to type from incompatible type}0,1"
5801  "|%diff{passing $ to parameter of incompatible type $|"
5802  "passing type to parameter of incompatible type}0,1"
5803  "|%diff{returning $ from a function with incompatible result type $|"
5804  "returning type from a function with incompatible result type}0,1"
5805  "|%diff{converting $ to incompatible type $|"
5806  "converting type to incompatible type}0,1"
5807  "|%diff{initializing $ with an expression of incompatible type $|"
5808  "initializing type with an expression of incompatible type}0,1"
5809  "|%diff{sending $ to parameter of incompatible type $|"
5810  "sending type to parameter of incompatible type}0,1"
5811  "|%diff{casting $ to incompatible type $|"
5812  "casting type to incompatible type}0,1}2">;
5813def ext_typecheck_convert_pointer_int : ExtWarn<
5814  "incompatible pointer to integer conversion "
5815  "%select{%diff{assigning to $ from $|assigning to different types}0,1"
5816  "|%diff{passing $ to parameter of type $|"
5817  "passing to parameter of different type}0,1"
5818  "|%diff{returning $ from a function with result type $|"
5819  "returning from function with different return type}0,1"
5820  "|%diff{converting $ to type $|converting between types}0,1"
5821  "|%diff{initializing $ with an expression of type $|"
5822  "initializing with expression of different type}0,1"
5823  "|%diff{sending $ to parameter of type $|"
5824  "sending to parameter of different type}0,1"
5825  "|%diff{casting $ to type $|casting between types}0,1}2"
5826  "%select{|; dereference with *|"
5827  "; take the address with &|"
5828  "; remove *|"
5829  "; remove &}3">,
5830  InGroup<IntConversion>;
5831def ext_typecheck_convert_int_pointer : ExtWarn<
5832  "incompatible integer to pointer conversion "
5833  "%select{%diff{assigning to $ from $|assigning to different types}0,1"
5834  "|%diff{passing $ to parameter of type $|"
5835  "passing to parameter of different type}0,1"
5836  "|%diff{returning $ from a function with result type $|"
5837  "returning from function with different return type}0,1"
5838  "|%diff{converting $ to type $|converting between types}0,1"
5839  "|%diff{initializing $ with an expression of type $|"
5840  "initializing with expression of different type}0,1"
5841  "|%diff{sending $ to parameter of type $|"
5842  "sending to parameter of different type}0,1"
5843  "|%diff{casting $ to type $|casting between types}0,1}2"
5844  "%select{|; dereference with *|"
5845  "; take the address with &|"
5846  "; remove *|"
5847  "; remove &}3">,
5848  InGroup<IntConversion>;
5849def ext_typecheck_convert_pointer_void_func : Extension<
5850  "%select{%diff{assigning to $ from $|assigning to different types}0,1"
5851  "|%diff{passing $ to parameter of type $|"
5852  "passing to parameter of different type}0,1"
5853  "|%diff{returning $ from a function with result type $|"
5854  "returning from function with different return type}0,1"
5855  "|%diff{converting $ to type $|converting between types}0,1"
5856  "|%diff{initializing $ with an expression of type $|"
5857  "initializing with expression of different type}0,1"
5858  "|%diff{sending $ to parameter of type $|"
5859  "sending to parameter of different type}0,1"
5860  "|%diff{casting $ to type $|casting between types}0,1}2"
5861  " converts between void pointer and function pointer">;
5862def ext_typecheck_convert_incompatible_pointer_sign : ExtWarn<
5863  "%select{%diff{assigning to $ from $|assigning to different types}0,1"
5864  "|%diff{passing $ to parameter of type $|"
5865  "passing to parameter of different type}0,1"
5866  "|%diff{returning $ from a function with result type $|"
5867  "returning from function with different return type}0,1"
5868  "|%diff{converting $ to type $|converting between types}0,1"
5869  "|%diff{initializing $ with an expression of type $|"
5870  "initializing with expression of different type}0,1"
5871  "|%diff{sending $ to parameter of type $|"
5872  "sending to parameter of different type}0,1"
5873  "|%diff{casting $ to type $|casting between types}0,1}2"
5874  " converts between pointers to integer types with different sign">,
5875  InGroup<DiagGroup<"pointer-sign">>;
5876def ext_typecheck_convert_incompatible_pointer : ExtWarn<
5877  "incompatible pointer types "
5878  "%select{%diff{assigning to $ from $|assigning to different types}0,1"
5879  "|%diff{passing $ to parameter of type $|"
5880  "passing to parameter of different type}0,1"
5881  "|%diff{returning $ from a function with result type $|"
5882  "returning from function with different return type}0,1"
5883  "|%diff{converting $ to type $|converting between types}0,1"
5884  "|%diff{initializing $ with an expression of type $|"
5885  "initializing with expression of different type}0,1"
5886  "|%diff{sending $ to parameter of type $|"
5887  "sending to parameter of different type}0,1"
5888  "|%diff{casting $ to type $|casting between types}0,1}2"
5889  "%select{|; dereference with *|"
5890  "; take the address with &|"
5891  "; remove *|"
5892  "; remove &}3">,
5893  InGroup<IncompatiblePointerTypes>;
5894def ext_typecheck_convert_discards_qualifiers : ExtWarn<
5895  "%select{%diff{assigning to $ from $|assigning to different types}0,1"
5896  "|%diff{passing $ to parameter of type $|"
5897  "passing to parameter of different type}0,1"
5898  "|%diff{returning $ from a function with result type $|"
5899  "returning from function with different return type}0,1"
5900  "|%diff{converting $ to type $|converting between types}0,1"
5901  "|%diff{initializing $ with an expression of type $|"
5902  "initializing with expression of different type}0,1"
5903  "|%diff{sending $ to parameter of type $|"
5904  "sending to parameter of different type}0,1"
5905  "|%diff{casting $ to type $|casting between types}0,1}2"
5906  " discards qualifiers">,
5907  InGroup<IncompatiblePointerTypesDiscardsQualifiers>;
5908def ext_nested_pointer_qualifier_mismatch : ExtWarn<
5909  "%select{%diff{assigning to $ from $|assigning to different types}0,1"
5910  "|%diff{passing $ to parameter of type $|"
5911  "passing to parameter of different type}0,1"
5912  "|%diff{returning $ from a function with result type $|"
5913  "returning from function with different return type}0,1"
5914  "|%diff{converting $ to type $|converting between types}0,1"
5915  "|%diff{initializing $ with an expression of type $|"
5916  "initializing with expression of different type}0,1"
5917  "|%diff{sending $ to parameter of type $|"
5918  "sending to parameter of different type}0,1"
5919  "|%diff{casting $ to type $|casting between types}0,1}2"
5920  " discards qualifiers in nested pointer types">,
5921  InGroup<IncompatiblePointerTypesDiscardsQualifiers>;
5922def warn_incompatible_vectors : Warning<
5923  "incompatible vector types "
5924  "%select{%diff{assigning to $ from $|assigning to different types}0,1"
5925  "|%diff{passing $ to parameter of type $|"
5926  "passing to parameter of different type}0,1"
5927  "|%diff{returning $ from a function with result type $|"
5928  "returning from function with different return type}0,1"
5929  "|%diff{converting $ to type $|converting between types}0,1"
5930  "|%diff{initializing $ with an expression of type $|"
5931  "initializing with expression of different type}0,1"
5932  "|%diff{sending $ to parameter of type $|"
5933  "sending to parameter of different type}0,1"
5934  "|%diff{casting $ to type $|casting between types}0,1}2">,
5935  InGroup<VectorConversion>, DefaultIgnore;
5936def err_int_to_block_pointer : Error<
5937  "invalid block pointer conversion "
5938  "%select{%diff{assigning to $ from $|assigning to different types}0,1"
5939  "|%diff{passing $ to parameter of type $|"
5940  "passing to parameter of different type}0,1"
5941  "|%diff{returning $ from a function with result type $|"
5942  "returning from function with different return type}0,1"
5943  "|%diff{converting $ to type $|converting between types}0,1"
5944  "|%diff{initializing $ with an expression of type $|"
5945  "initializing with expression of different type}0,1"
5946  "|%diff{sending $ to parameter of type $|"
5947  "sending to parameter of different type}0,1"
5948  "|%diff{casting $ to type $|casting between types}0,1}2">;
5949def err_typecheck_convert_incompatible_block_pointer : Error<
5950  "incompatible block pointer types "
5951  "%select{%diff{assigning to $ from $|assigning to different types}0,1"
5952  "|%diff{passing $ to parameter of type $|"
5953  "passing to parameter of different type}0,1"
5954  "|%diff{returning $ from a function with result type $|"
5955  "returning from function with different return type}0,1"
5956  "|%diff{converting $ to type $|converting between types}0,1"
5957  "|%diff{initializing $ with an expression of type $|"
5958  "initializing with expression of different type}0,1"
5959  "|%diff{sending $ to parameter of type $|"
5960  "sending to parameter of different type}0,1"
5961  "|%diff{casting $ to type $|casting between types}0,1}2">;
5962def err_typecheck_incompatible_address_space : Error<
5963  "%select{%diff{assigning $ to $|assigning to different types}1,0"
5964  "|%diff{passing $ to parameter of type $|"
5965  "passing to parameter of different type}0,1"
5966  "|%diff{returning $ from a function with result type $|"
5967  "returning from function with different return type}0,1"
5968  "|%diff{converting $ to type $|converting between types}0,1"
5969  "|%diff{initializing $ with an expression of type $|"
5970  "initializing with expression of different type}0,1"
5971  "|%diff{sending $ to parameter of type $|"
5972  "sending to parameter of different type}0,1"
5973  "|%diff{casting $ to type $|casting between types}0,1}2"
5974  " changes address space of pointer">;
5975def err_typecheck_incompatible_ownership : Error<
5976  "%select{%diff{assigning $ to $|assigning to different types}1,0"
5977  "|%diff{passing $ to parameter of type $|"
5978  "passing to parameter of different type}0,1"
5979  "|%diff{returning $ from a function with result type $|"
5980  "returning from function with different return type}0,1"
5981  "|%diff{converting $ to type $|converting between types}0,1"
5982  "|%diff{initializing $ with an expression of type $|"
5983  "initializing with expression of different type}0,1"
5984  "|%diff{sending $ to parameter of type $|"
5985  "sending to parameter of different type}0,1"
5986  "|%diff{casting $ to type $|casting between types}0,1}2"
5987  " changes retain/release properties of pointer">;
5988def err_typecheck_comparison_of_distinct_blocks : Error<
5989  "comparison of distinct block types%diff{ ($ and $)|}0,1">;
5990
5991def err_typecheck_array_not_modifiable_lvalue : Error<
5992  "array type %0 is not assignable">;
5993def err_typecheck_non_object_not_modifiable_lvalue : Error<
5994  "non-object type %0 is not assignable">;
5995def err_typecheck_expression_not_modifiable_lvalue : Error<
5996  "expression is not assignable">;
5997def err_typecheck_incomplete_type_not_modifiable_lvalue : Error<
5998  "incomplete type %0 is not assignable">;
5999def err_typecheck_lvalue_casts_not_supported : Error<
6000  "assignment to cast is illegal, lvalue casts are not supported">;
6001
6002def err_typecheck_duplicate_vector_components_not_mlvalue : Error<
6003  "vector is not assignable (contains duplicate components)">;
6004def err_block_decl_ref_not_modifiable_lvalue : Error<
6005  "variable is not assignable (missing __block type specifier)">;
6006def err_lambda_decl_ref_not_modifiable_lvalue : Error<
6007  "cannot assign to a variable captured by copy in a non-mutable lambda">;
6008def err_typecheck_call_not_function : Error<
6009  "called object type %0 is not a function or function pointer">;
6010def err_call_incomplete_return : Error<
6011  "calling function with incomplete return type %0">;
6012def err_call_function_incomplete_return : Error<
6013  "calling %0 with incomplete return type %1">;
6014def err_call_incomplete_argument : Error<
6015  "argument type %0 is incomplete">;
6016def err_typecheck_call_too_few_args : Error<
6017  "too few %select{|||execution configuration }0arguments to "
6018  "%select{function|block|method|kernel function}0 call, "
6019  "expected %1, have %2">;
6020def err_typecheck_call_too_few_args_one : Error<
6021  "too few %select{|||execution configuration }0arguments to "
6022  "%select{function|block|method|kernel function}0 call, "
6023  "single argument %1 was not specified">;
6024def err_typecheck_call_too_few_args_at_least : Error<
6025  "too few %select{|||execution configuration }0arguments to "
6026  "%select{function|block|method|kernel function}0 call, "
6027  "expected at least %1, have %2">;
6028def err_typecheck_call_too_few_args_at_least_one : Error<
6029  "too few %select{|||execution configuration }0arguments to "
6030  "%select{function|block|method|kernel function}0 call, "
6031  "at least argument %1 must be specified">;
6032def err_typecheck_call_too_few_args_suggest : Error<
6033  "too few %select{|||execution configuration }0arguments to "
6034  "%select{function|block|method|kernel function}0 call, "
6035  "expected %1, have %2; did you mean %3?">;
6036def err_typecheck_call_too_few_args_at_least_suggest : Error<
6037  "too few %select{|||execution configuration }0arguments to "
6038  "%select{function|block|method|kernel function}0 call, "
6039  "expected at least %1, have %2; did you mean %3?">;
6040def err_typecheck_call_too_many_args : Error<
6041  "too many %select{|||execution configuration }0arguments to "
6042  "%select{function|block|method|kernel function}0 call, "
6043  "expected %1, have %2">;
6044def err_typecheck_call_too_many_args_one : Error<
6045  "too many %select{|||execution configuration }0arguments to "
6046  "%select{function|block|method|kernel function}0 call, "
6047  "expected single argument %1, have %2 arguments">;
6048def err_typecheck_call_too_many_args_at_most : Error<
6049  "too many %select{|||execution configuration }0arguments to "
6050  "%select{function|block|method|kernel function}0 call, "
6051  "expected at most %1, have %2">;
6052def err_typecheck_call_too_many_args_at_most_one : Error<
6053  "too many %select{|||execution configuration }0arguments to "
6054  "%select{function|block|method|kernel function}0 call, "
6055  "expected at most single argument %1, have %2 arguments">;
6056def err_typecheck_call_too_many_args_suggest : Error<
6057  "too many %select{|||execution configuration }0arguments to "
6058  "%select{function|block|method|kernel function}0 call, "
6059  "expected %1, have %2; did you mean %3?">;
6060def err_typecheck_call_too_many_args_at_most_suggest : Error<
6061  "too many %select{|||execution configuration }0arguments to "
6062  "%select{function|block|method|kernel function}0 call, "
6063  "expected at most %1, have %2; did you mean %3?">;
6064
6065def err_arc_typecheck_convert_incompatible_pointer : Error<
6066  "incompatible pointer types passing retainable parameter of type %0"
6067  "to a CF function expecting %1 type">;
6068
6069def err_builtin_fn_use : Error<"builtin functions must be directly called">;
6070
6071def warn_call_wrong_number_of_arguments : Warning<
6072  "too %select{few|many}0 arguments in call to %1">;
6073def err_atomic_builtin_must_be_pointer : Error<
6074  "address argument to atomic builtin must be a pointer (%0 invalid)">;
6075def err_atomic_builtin_must_be_pointer_intptr : Error<
6076  "address argument to atomic builtin must be a pointer to integer or pointer"
6077  " (%0 invalid)">;
6078def err_atomic_builtin_must_be_pointer_intfltptr : Error<
6079  "address argument to atomic builtin must be a pointer to integer,"
6080  " floating-point or pointer (%0 invalid)">;
6081def err_atomic_builtin_pointer_size : Error<
6082  "address argument to atomic builtin must be a pointer to 1,2,4,8 or 16 byte "
6083  "type (%0 invalid)">;
6084def err_atomic_exclusive_builtin_pointer_size : Error<
6085  "address argument to load or store exclusive builtin must be a pointer to"
6086  " 1,2,4 or 8 byte type (%0 invalid)">;
6087def err_atomic_op_needs_atomic : Error<
6088  "address argument to atomic operation must be a pointer to _Atomic "
6089  "type (%0 invalid)">;
6090def err_atomic_op_needs_non_const_atomic : Error<
6091  "address argument to atomic operation must be a pointer to non-const _Atomic "
6092  "type (%0 invalid)">;
6093def err_atomic_op_needs_trivial_copy : Error<
6094  "address argument to atomic operation must be a pointer to a "
6095  "trivially-copyable type (%0 invalid)">;
6096def err_atomic_op_needs_atomic_int_or_ptr : Error<
6097  "address argument to atomic operation must be a pointer to %select{|atomic }0"
6098  "integer or pointer (%1 invalid)">;
6099def err_atomic_op_bitwise_needs_atomic_int : Error<
6100  "address argument to bitwise atomic operation must be a pointer to "
6101  "%select{|atomic }0integer (%1 invalid)">;
6102def warn_atomic_op_has_invalid_memory_order : Warning<
6103  "memory order argument to atomic operation is invalid">,
6104  InGroup<DiagGroup<"atomic-memory-ordering">>;
6105
6106def err_atomic_load_store_uses_lib : Error<
6107  "atomic %select{load|store}0 requires runtime support that is not "
6108  "available for this target">;
6109
6110def err_deleted_function_use : Error<"attempt to use a deleted function">;
6111
6112def err_kern_type_not_void_return : Error<
6113  "kernel function type %0 must have void return type">;
6114def err_config_scalar_return : Error<
6115  "CUDA special function 'cudaConfigureCall' must have scalar return type">;
6116def err_kern_call_not_global_function : Error<
6117  "kernel call to non-global function %0">;
6118def err_global_call_not_config : Error<
6119  "call to global function %0 not configured">;
6120def err_ref_bad_target : Error<
6121  "reference to %select{__device__|__global__|__host__|__host__ __device__}0 "
6122  "function %1 in %select{__device__|__global__|__host__|__host__ __device__}2 function">;
6123def warn_host_calls_from_host_device : Warning<
6124  "calling __host__ function %0 from __host__ __device__ function %1 can lead to runtime errors">,
6125  InGroup<CudaCompat>;
6126
6127def warn_non_pod_vararg_with_format_string : Warning<
6128  "cannot pass %select{non-POD|non-trivial}0 object of type %1 to variadic "
6129  "%select{function|block|method|constructor}2; expected type from format "
6130  "string was %3">, InGroup<NonPODVarargs>, DefaultError;
6131// The arguments to this diagnostic should match the warning above.
6132def err_cannot_pass_objc_interface_to_vararg_format : Error<
6133  "cannot pass object with interface type %1 by value to variadic "
6134  "%select{function|block|method|constructor}2; expected type from format "
6135  "string was %3">;
6136
6137def err_cannot_pass_objc_interface_to_vararg : Error<
6138  "cannot pass object with interface type %0 by value through variadic "
6139  "%select{function|block|method|constructor}1">;
6140def warn_cannot_pass_non_pod_arg_to_vararg : Warning<
6141  "cannot pass object of %select{non-POD|non-trivial}0 type %1 through variadic"
6142  " %select{function|block|method|constructor}2; call will abort at runtime">,
6143  InGroup<NonPODVarargs>, DefaultError;
6144def warn_cxx98_compat_pass_non_pod_arg_to_vararg : Warning<
6145  "passing object of trivial but non-POD type %0 through variadic"
6146  " %select{function|block|method|constructor}1 is incompatible with C++98">,
6147  InGroup<CXX98Compat>, DefaultIgnore;
6148def warn_pass_class_arg_to_vararg : Warning<
6149  "passing object of class type %0 through variadic "
6150  "%select{function|block|method|constructor}1"
6151  "%select{|; did you mean to call '%3'?}2">,
6152  InGroup<ClassVarargs>, DefaultIgnore;
6153def err_cannot_pass_to_vararg : Error<
6154  "cannot pass %select{expression of type %1|initializer list}0 to variadic "
6155  "%select{function|block|method|constructor}2">;
6156def err_cannot_pass_to_vararg_format : Error<
6157  "cannot pass %select{expression of type %1|initializer list}0 to variadic "
6158  "%select{function|block|method|constructor}2; expected type from format "
6159  "string was %3">;
6160
6161def err_typecheck_call_invalid_ordered_compare : Error<
6162  "ordered compare requires two args of floating point type"
6163  "%diff{ ($ and $)|}0,1">;
6164def err_typecheck_call_invalid_unary_fp : Error<
6165  "floating point classification requires argument of floating point type "
6166  "(passed in %0)">;
6167def err_typecheck_cond_expect_int_float : Error<
6168  "used type %0 where integer or floating point type is required">;
6169def err_typecheck_cond_expect_scalar : Error<
6170  "used type %0 where arithmetic or pointer type is required">;
6171def err_typecheck_cond_expect_nonfloat : Error<
6172  "used type %0 where floating point type is not allowed">;
6173def ext_typecheck_cond_one_void : Extension<
6174  "C99 forbids conditional expressions with only one void side">;
6175def err_typecheck_cast_to_incomplete : Error<
6176  "cast to incomplete type %0">;
6177def ext_typecheck_cast_nonscalar : Extension<
6178  "C99 forbids casting nonscalar type %0 to the same type">;
6179def ext_typecheck_cast_to_union : Extension<
6180  "cast to union type is a GNU extension">,
6181  InGroup<GNUUnionCast>;
6182def err_typecheck_cast_to_union_no_type : Error<
6183  "cast to union type from type %0 not present in union">;
6184def err_cast_pointer_from_non_pointer_int : Error<
6185  "operand of type %0 cannot be cast to a pointer type">;
6186def warn_cast_pointer_from_sel : Warning<
6187  "cast of type %0 to %1 is deprecated; use sel_getName instead">,
6188  InGroup<SelTypeCast>;
6189def warn_function_def_in_objc_container : Warning<
6190  "function definition inside an Objective-C container is deprecated">,
6191  InGroup<FunctionDefInObjCContainer>;
6192
6193def warn_bad_function_cast : Warning<
6194  "cast from function call of type %0 to non-matching type %1">,
6195  InGroup<BadFunctionCast>, DefaultIgnore;
6196def err_cast_pointer_to_non_pointer_int : Error<
6197  "pointer cannot be cast to type %0">;
6198def err_typecheck_expect_scalar_operand : Error<
6199  "operand of type %0 where arithmetic or pointer type is required">;
6200def err_typecheck_cond_incompatible_operands : Error<
6201  "incompatible operand types%diff{ ($ and $)|}0,1">;
6202def ext_typecheck_cond_incompatible_operands_nonstandard : ExtWarn<
6203  "incompatible operand types%diff{ ($ and $)|}0,1 use non-standard composite "
6204  "pointer type %2">;
6205def err_cast_selector_expr : Error<
6206  "cannot type cast @selector expression">;
6207def ext_typecheck_cond_incompatible_pointers : ExtWarn<
6208  "pointer type mismatch%diff{ ($ and $)|}0,1">,
6209  InGroup<DiagGroup<"pointer-type-mismatch">>;
6210def ext_typecheck_cond_pointer_integer_mismatch : ExtWarn<
6211  "pointer/integer type mismatch in conditional expression"
6212  "%diff{ ($ and $)|}0,1">,
6213  InGroup<DiagGroup<"conditional-type-mismatch">>;
6214def err_typecheck_choose_expr_requires_constant : Error<
6215  "'__builtin_choose_expr' requires a constant expression">;
6216def warn_unused_expr : Warning<"expression result unused">,
6217  InGroup<UnusedValue>;
6218def warn_unused_voidptr : Warning<
6219  "expression result unused; should this cast be to 'void'?">,
6220  InGroup<UnusedValue>;
6221def warn_unused_property_expr : Warning<
6222 "property access result unused - getters should not be used for side effects">,
6223  InGroup<UnusedGetterReturnValue>;
6224def warn_unused_container_subscript_expr : Warning<
6225 "container access result unused - container access should not be used for side effects">,
6226  InGroup<UnusedValue>;
6227def warn_unused_call : Warning<
6228  "ignoring return value of function declared with %0 attribute">,
6229  InGroup<UnusedValue>;
6230def warn_side_effects_unevaluated_context : Warning<
6231  "expression with side effects has no effect in an unevaluated context">,
6232  InGroup<UnevaluatedExpression>;
6233def warn_side_effects_typeid : Warning<
6234  "expression with side effects will be evaluated despite being used as an "
6235  "operand to 'typeid'">, InGroup<PotentiallyEvaluatedExpression>;
6236def warn_unused_result : Warning<
6237  "ignoring return value of function declared with warn_unused_result "
6238  "attribute">, InGroup<DiagGroup<"unused-result">>;
6239def warn_unused_volatile : Warning<
6240  "expression result unused; assign into a variable to force a volatile load">,
6241  InGroup<DiagGroup<"unused-volatile-lvalue">>;
6242
6243def warn_unused_comparison : Warning<
6244  "%select{%select{|in}1equality|relational}0 comparison result unused">,
6245  InGroup<UnusedComparison>;
6246def note_inequality_comparison_to_or_assign : Note<
6247  "use '|=' to turn this inequality comparison into an or-assignment">;
6248
6249def err_incomplete_type_used_in_type_trait_expr : Error<
6250  "incomplete type %0 used in type trait expression">;
6251
6252def err_dimension_expr_not_constant_integer : Error<
6253  "dimension expression does not evaluate to a constant unsigned int">;
6254
6255def err_typecheck_cond_incompatible_operands_null : Error<
6256  "non-pointer operand type %0 incompatible with %select{NULL|nullptr}1">;
6257def ext_empty_struct_union : Extension<
6258  "empty %select{struct|union}0 is a GNU extension">, InGroup<GNUEmptyStruct>;
6259def ext_no_named_members_in_struct_union : Extension<
6260  "%select{struct|union}0 without named members is a GNU extension">, InGroup<GNUEmptyStruct>;
6261def warn_zero_size_struct_union_compat : Warning<"%select{|empty }0"
6262  "%select{struct|union}1 has size 0 in C, %select{size 1|non-zero size}2 in C++">,
6263  InGroup<CXXCompat>, DefaultIgnore;
6264def warn_zero_size_struct_union_in_extern_c : Warning<"%select{|empty }0"
6265  "%select{struct|union}1 has size 0 in C, %select{size 1|non-zero size}2 in C++">,
6266  InGroup<ExternCCompat>;
6267def warn_cast_qual : Warning<"cast from %0 to %1 drops %select{const and "
6268  "volatile qualifiers|const qualifier|volatile qualifier}2">,
6269  InGroup<CastQual>, DefaultIgnore;
6270def warn_cast_qual2 : Warning<"cast from %0 to %1 must have all intermediate "
6271  "pointers const qualified to be safe">, InGroup<CastQual>, DefaultIgnore;
6272} // End of general sema category.
6273
6274// inline asm.
6275let CategoryName = "Inline Assembly Issue" in {
6276  def err_asm_invalid_lvalue_in_output : Error<"invalid lvalue in asm output">;
6277  def err_asm_invalid_output_constraint : Error<
6278    "invalid output constraint '%0' in asm">;
6279  def err_asm_invalid_lvalue_in_input : Error<
6280    "invalid lvalue in asm input for constraint '%0'">;
6281  def err_asm_invalid_input_constraint : Error<
6282    "invalid input constraint '%0' in asm">;
6283  def err_asm_immediate_expected : Error<"constraint '%0' expects "
6284    "an integer constant expression">;
6285  def err_asm_invalid_type_in_input : Error<
6286    "invalid type %0 in asm input for constraint '%1'">;
6287  def err_asm_tying_incompatible_types : Error<
6288    "unsupported inline asm: input with type "
6289    "%diff{$ matching output with type $|}0,1">;
6290  def err_asm_unexpected_constraint_alternatives : Error<
6291    "asm constraint has an unexpected number of alternatives: %0 vs %1">;
6292  def err_asm_incomplete_type : Error<"asm operand has incomplete type %0">;
6293  def err_asm_unknown_register_name : Error<"unknown register name '%0' in asm">;
6294  def err_asm_bad_register_type : Error<"bad type for named register variable">;
6295  def err_asm_invalid_input_size : Error<
6296    "invalid input size for constraint '%0'">;
6297  def err_asm_invalid_output_size : Error<
6298    "invalid output size for constraint '%0'">;
6299  def err_invalid_asm_cast_lvalue : Error<
6300    "invalid use of a cast in a inline asm context requiring an l-value: "
6301    "remove the cast or build with -fheinous-gnu-extensions">;
6302  def err_invalid_asm_value_for_constraint
6303      : Error <"value '%0' out of range for constraint '%1'">;
6304
6305  def warn_asm_label_on_auto_decl : Warning<
6306    "ignored asm label '%0' on automatic variable">;
6307  def warn_invalid_asm_cast_lvalue : Warning<
6308    "invalid use of a cast in an inline asm context requiring an l-value: "
6309    "accepted due to -fheinous-gnu-extensions, but clang may remove support "
6310    "for this in the future">;
6311  def warn_asm_mismatched_size_modifier : Warning<
6312    "value size does not match register size specified by the constraint "
6313    "and modifier">,
6314    InGroup<ASMOperandWidths>;
6315
6316  def note_asm_missing_constraint_modifier : Note<
6317    "use constraint modifier \"%0\"">;
6318}
6319
6320let CategoryName = "Semantic Issue" in {
6321
6322def err_invalid_conversion_between_vectors : Error<
6323  "invalid conversion between vector type%diff{ $ and $|}0,1 of different "
6324  "size">;
6325def err_invalid_conversion_between_vector_and_integer : Error<
6326  "invalid conversion between vector type %0 and integer type %1 "
6327  "of different size">;
6328
6329def err_opencl_function_pointer_variable : Error<
6330  "pointers to functions are not allowed">;
6331
6332def err_opencl_taking_function_address : Error<
6333  "taking address of function is not allowed">;
6334
6335def err_invalid_conversion_between_vector_and_scalar : Error<
6336  "invalid conversion between vector type %0 and scalar type %1">;
6337
6338// C++ member initializers.
6339def err_only_constructors_take_base_inits : Error<
6340  "only constructors take base initializers">;
6341
6342def err_multiple_mem_initialization : Error <
6343  "multiple initializations given for non-static member %0">;
6344def err_multiple_mem_union_initialization : Error <
6345  "initializing multiple members of union">;
6346def err_multiple_base_initialization : Error <
6347  "multiple initializations given for base %0">;
6348
6349def err_mem_init_not_member_or_class : Error<
6350  "member initializer %0 does not name a non-static data member or base "
6351  "class">;
6352
6353def warn_initializer_out_of_order : Warning<
6354  "%select{field|base class}0 %1 will be initialized after "
6355  "%select{field|base}2 %3">,
6356  InGroup<Reorder>, DefaultIgnore;
6357def warn_abstract_vbase_init_ignored : Warning<
6358  "initializer for virtual base class %0 of abstract class %1 "
6359  "will never be used">,
6360  InGroup<DiagGroup<"abstract-vbase-init">>, DefaultIgnore;
6361
6362def err_base_init_does_not_name_class : Error<
6363  "constructor initializer %0 does not name a class">;
6364def err_base_init_direct_and_virtual : Error<
6365  "base class initializer %0 names both a direct base class and an "
6366  "inherited virtual base class">;
6367def err_not_direct_base_or_virtual : Error<
6368  "type %0 is not a direct or virtual base of %1">;
6369
6370def err_in_class_initializer_non_const : Error<
6371  "non-const static data member must be initialized out of line">;
6372def err_in_class_initializer_volatile : Error<
6373  "static const volatile data member must be initialized out of line">;
6374def err_in_class_initializer_bad_type : Error<
6375  "static data member of type %0 must be initialized out of line">;
6376def ext_in_class_initializer_float_type : ExtWarn<
6377  "in-class initializer for static data member of type %0 is a GNU extension">,
6378  InGroup<GNUStaticFloatInit>;
6379def ext_in_class_initializer_float_type_cxx11 : ExtWarn<
6380  "in-class initializer for static data member of type %0 requires "
6381  "'constexpr' specifier">, InGroup<StaticFloatInit>, DefaultError;
6382def note_in_class_initializer_float_type_cxx11 : Note<"add 'constexpr'">;
6383def err_in_class_initializer_literal_type : Error<
6384  "in-class initializer for static data member of type %0 requires "
6385  "'constexpr' specifier">;
6386def err_in_class_initializer_non_constant : Error<
6387  "in-class initializer for static data member is not a constant expression">;
6388def err_in_class_initializer_not_yet_parsed
6389    : Error<"cannot use defaulted default constructor of %0 within the class "
6390            "outside of member functions because %1 has an initializer">;
6391def err_in_class_initializer_not_yet_parsed_outer_class
6392    : Error<"cannot use defaulted default constructor of %0 within "
6393            "%1 outside of member functions because %2 has an initializer">;
6394
6395def ext_in_class_initializer_non_constant : Extension<
6396  "in-class initializer for static data member is not a constant expression; "
6397  "folding it to a constant is a GNU extension">, InGroup<GNUFoldingConstant>;
6398
6399def err_thread_dynamic_init : Error<
6400  "initializer for thread-local variable must be a constant expression">;
6401def err_thread_nontrivial_dtor : Error<
6402  "type of thread-local variable has non-trivial destruction">;
6403def note_use_thread_local : Note<
6404  "use 'thread_local' to allow this">;
6405
6406// C++ anonymous unions and GNU anonymous structs/unions
6407def ext_anonymous_union : Extension<
6408  "anonymous unions are a C11 extension">, InGroup<C11>;
6409def ext_gnu_anonymous_struct : Extension<
6410  "anonymous structs are a GNU extension">, InGroup<GNUAnonymousStruct>;
6411def ext_c11_anonymous_struct : Extension<
6412  "anonymous structs are a C11 extension">, InGroup<C11>;
6413def err_anonymous_union_not_static : Error<
6414  "anonymous unions at namespace or global scope must be declared 'static'">;
6415def err_anonymous_union_with_storage_spec : Error<
6416  "anonymous union at class scope must not have a storage specifier">;
6417def err_anonymous_struct_not_member : Error<
6418  "anonymous %select{structs|structs and classes}0 must be "
6419  "%select{struct or union|class}0 members">;
6420def err_anonymous_union_member_redecl : Error<
6421  "member of anonymous union redeclares %0">;
6422def err_anonymous_struct_member_redecl : Error<
6423  "member of anonymous struct redeclares %0">;
6424def err_anonymous_record_with_type : Error<
6425  "types cannot be declared in an anonymous %select{struct|union}0">;
6426def ext_anonymous_record_with_type : Extension<
6427  "types declared in an anonymous %select{struct|union}0 are a Microsoft "
6428  "extension">, InGroup<Microsoft>;
6429def ext_anonymous_record_with_anonymous_type : Extension<
6430  "anonymous types declared in an anonymous %select{struct|union}0 "
6431  "are an extension">, InGroup<DiagGroup<"nested-anon-types">>;
6432def err_anonymous_record_with_function : Error<
6433  "functions cannot be declared in an anonymous %select{struct|union}0">;
6434def err_anonymous_record_with_static : Error<
6435  "static members cannot be declared in an anonymous %select{struct|union}0">;
6436def err_anonymous_record_bad_member : Error<
6437  "anonymous %select{struct|union}0 can only contain non-static data members">;
6438def err_anonymous_record_nonpublic_member : Error<
6439  "anonymous %select{struct|union}0 cannot contain a "
6440  "%select{private|protected}1 data member">;
6441def ext_ms_anonymous_record : ExtWarn<
6442  "anonymous %select{structs|unions}0 are a Microsoft extension">,
6443  InGroup<Microsoft>;
6444
6445// C++ local classes
6446def err_reference_to_local_var_in_enclosing_function : Error<
6447  "reference to local variable %0 declared in enclosing function %1">;
6448def err_reference_to_local_var_in_enclosing_block : Error<
6449  "reference to local variable %0 declared in enclosing block literal">;
6450def err_reference_to_local_var_in_enclosing_lambda : Error<
6451  "reference to local variable %0 declared in enclosing lambda expression">;
6452def err_reference_to_local_var_in_enclosing_context : Error<
6453  "reference to local variable %0 declared in enclosing context">;
6454
6455def err_static_data_member_not_allowed_in_local_class : Error<
6456  "static data member %0 not allowed in local class %1">;
6457
6458// C++ derived classes
6459def err_base_clause_on_union : Error<"unions cannot have base classes">;
6460def err_base_must_be_class : Error<"base specifier must name a class">;
6461def err_union_as_base_class : Error<"unions cannot be base classes">;
6462def err_circular_inheritance : Error<
6463  "circular inheritance between %0 and %1">;
6464def err_base_class_has_flexible_array_member : Error<
6465  "base class %0 has a flexible array member">;
6466def err_incomplete_base_class : Error<"base class has incomplete type">;
6467def err_duplicate_base_class : Error<
6468  "base class %0 specified more than once as a direct base class">;
6469def warn_inaccessible_base_class : Warning<
6470  "direct base %0 is inaccessible due to ambiguity:%1">,
6471  InGroup<DiagGroup<"inaccessible-base">>;
6472// FIXME: better way to display derivation?  Pass entire thing into diagclient?
6473def err_ambiguous_derived_to_base_conv : Error<
6474  "ambiguous conversion from derived class %0 to base class %1:%2">;
6475def err_ambiguous_memptr_conv : Error<
6476  "ambiguous conversion from pointer to member of %select{base|derived}0 "
6477  "class %1 to pointer to member of %select{derived|base}0 class %2:%3">;
6478
6479def err_memptr_conv_via_virtual : Error<
6480  "conversion from pointer to member of class %0 to pointer to member "
6481  "of class %1 via virtual base %2 is not allowed">;
6482
6483// C++ member name lookup
6484def err_ambiguous_member_multiple_subobjects : Error<
6485  "non-static member %0 found in multiple base-class subobjects of type %1:%2">;
6486def err_ambiguous_member_multiple_subobject_types : Error<
6487  "member %0 found in multiple base classes of different types">;
6488def note_ambiguous_member_found : Note<"member found by ambiguous name lookup">;
6489def err_ambiguous_reference : Error<"reference to %0 is ambiguous">;
6490def note_ambiguous_candidate : Note<"candidate found by name lookup is %q0">;
6491def err_ambiguous_tag_hiding : Error<"a type named %0 is hidden by a "
6492  "declaration in a different namespace">;
6493def note_hidden_tag : Note<"type declaration hidden">;
6494def note_hiding_object : Note<"declaration hides type">;
6495
6496// C++ operator overloading
6497def err_operator_overload_needs_class_or_enum : Error<
6498  "overloaded %0 must have at least one parameter of class "
6499  "or enumeration type">;
6500
6501def err_operator_overload_variadic : Error<"overloaded %0 cannot be variadic">;
6502def err_operator_overload_static : Error<
6503  "overloaded %0 cannot be a static member function">;
6504def err_operator_overload_default_arg : Error<
6505  "parameter of overloaded %0 cannot have a default argument">;
6506def err_operator_overload_must_be : Error<
6507  "overloaded %0 must be a %select{unary|binary|unary or binary}2 operator "
6508  "(has %1 parameter%s1)">;
6509
6510def err_operator_overload_must_be_member : Error<
6511  "overloaded %0 must be a non-static member function">;
6512def err_operator_overload_post_incdec_must_be_int : Error<
6513  "parameter of overloaded post-%select{increment|decrement}1 operator must "
6514  "have type 'int' (not %0)">;
6515
6516// C++ allocation and deallocation functions.
6517def err_operator_new_delete_declared_in_namespace : Error<
6518  "%0 cannot be declared inside a namespace">;
6519def err_operator_new_delete_declared_static : Error<
6520  "%0 cannot be declared static in global scope">;
6521def ext_operator_new_delete_declared_inline : ExtWarn<
6522  "replacement function %0 cannot be declared 'inline'">,
6523  InGroup<DiagGroup<"inline-new-delete">>;
6524def err_operator_new_delete_invalid_result_type : Error<
6525  "%0 must return type %1">;
6526def err_operator_new_delete_dependent_result_type : Error<
6527  "%0 cannot have a dependent return type; use %1 instead">;
6528def err_operator_new_delete_too_few_parameters : Error<
6529  "%0 must have at least one parameter">;
6530def err_operator_new_delete_template_too_few_parameters : Error<
6531  "%0 template must have at least two parameters">;
6532def warn_operator_new_returns_null : Warning<
6533  "%0 should not return a null pointer unless it is declared 'throw()'"
6534  "%select{| or 'noexcept'}1">, InGroup<OperatorNewReturnsNull>;
6535
6536def err_operator_new_dependent_param_type : Error<
6537  "%0 cannot take a dependent type as first parameter; "
6538  "use size_t (%1) instead">;
6539def err_operator_new_param_type : Error<
6540  "%0 takes type size_t (%1) as first parameter">;
6541def err_operator_new_default_arg: Error<
6542  "parameter of %0 cannot have a default argument">;
6543def err_operator_delete_dependent_param_type : Error<
6544  "%0 cannot take a dependent type as first parameter; use %1 instead">;
6545def err_operator_delete_param_type : Error<
6546  "first parameter of %0 must have type %1">;
6547
6548// C++ literal operators
6549def err_literal_operator_outside_namespace : Error<
6550  "literal operator %0 must be in a namespace or global scope">;
6551def err_literal_operator_id_outside_namespace : Error<
6552  "non-namespace scope '%0' cannot have a literal operator member">;
6553def err_literal_operator_default_argument : Error<
6554  "literal operator cannot have a default argument">;
6555// FIXME: This diagnostic sucks
6556def err_literal_operator_params : Error<
6557  "parameter declaration for literal operator %0 is not valid">;
6558def err_literal_operator_extern_c : Error<
6559  "literal operator must have C++ linkage">;
6560def ext_string_literal_operator_template : ExtWarn<
6561  "string literal operator templates are a GNU extension">,
6562  InGroup<GNUStringLiteralOperatorTemplate>;
6563def warn_user_literal_reserved : Warning<
6564  "user-defined literal suffixes not starting with '_' are reserved"
6565  "%select{; no literal will invoke this operator|}0">,
6566  InGroup<UserDefinedLiterals>;
6567
6568// C++ conversion functions
6569def err_conv_function_not_member : Error<
6570  "conversion function must be a non-static member function">;
6571def err_conv_function_return_type : Error<
6572  "conversion function cannot have a return type">;
6573def err_conv_function_with_params : Error<
6574  "conversion function cannot have any parameters">;
6575def err_conv_function_variadic : Error<
6576  "conversion function cannot be variadic">;
6577def err_conv_function_to_array : Error<
6578  "conversion function cannot convert to an array type">;
6579def err_conv_function_to_function : Error<
6580  "conversion function cannot convert to a function type">;
6581def err_conv_function_with_complex_decl : Error<
6582  "cannot specify any part of a return type in the "
6583  "declaration of a conversion function"
6584  "%select{"
6585  "; put the complete type after 'operator'|"
6586  "; use a typedef to declare a conversion to %1|"
6587  "; use an alias template to declare a conversion to %1|"
6588  "}0">;
6589def err_conv_function_redeclared : Error<
6590  "conversion function cannot be redeclared">;
6591def warn_conv_to_self_not_used : Warning<
6592  "conversion function converting %0 to itself will never be used">;
6593def warn_conv_to_base_not_used : Warning<
6594  "conversion function converting %0 to its base class %1 will never be used">;
6595def warn_conv_to_void_not_used : Warning<
6596  "conversion function converting %0 to %1 will never be used">;
6597
6598def warn_not_compound_assign : Warning<
6599  "use of unary operator that may be intended as compound assignment (%0=)">;
6600
6601// C++11 explicit conversion operators
6602def ext_explicit_conversion_functions : ExtWarn<
6603  "explicit conversion functions are a C++11 extension">, InGroup<CXX11>;
6604def warn_cxx98_compat_explicit_conversion_functions : Warning<
6605  "explicit conversion functions are incompatible with C++98">,
6606  InGroup<CXX98Compat>, DefaultIgnore;
6607
6608// C++11 defaulted functions
6609def err_defaulted_special_member_params : Error<
6610  "an explicitly-defaulted %select{|copy |move }0constructor cannot "
6611  "have default arguments">;
6612def err_defaulted_special_member_variadic : Error<
6613  "an explicitly-defaulted %select{|copy |move }0constructor cannot "
6614  "be variadic">;
6615def err_defaulted_special_member_return_type : Error<
6616  "explicitly-defaulted %select{copy|move}0 assignment operator must "
6617  "return %1">;
6618def err_defaulted_special_member_quals : Error<
6619  "an explicitly-defaulted %select{copy|move}0 assignment operator may not "
6620  "have 'const'%select{, 'constexpr'|}1 or 'volatile' qualifiers">;
6621def err_defaulted_special_member_volatile_param : Error<
6622  "the parameter for an explicitly-defaulted %select{<<ERROR>>|"
6623  "copy constructor|move constructor|copy assignment operator|"
6624  "move assignment operator|<<ERROR>>}0 may not be volatile">;
6625def err_defaulted_special_member_move_const_param : Error<
6626  "the parameter for an explicitly-defaulted move "
6627  "%select{constructor|assignment operator}0 may not be const">;
6628def err_defaulted_special_member_copy_const_param : Error<
6629  "the parameter for this explicitly-defaulted copy "
6630  "%select{constructor|assignment operator}0 is const, but a member or base "
6631  "requires it to be non-const">;
6632def err_defaulted_copy_assign_not_ref : Error<
6633  "the parameter for an explicitly-defaulted copy assignment operator must be an "
6634  "lvalue reference type">;
6635def err_incorrect_defaulted_exception_spec : Error<
6636  "exception specification of explicitly defaulted %select{default constructor|"
6637  "copy constructor|move constructor|copy assignment operator|move assignment "
6638  "operator|destructor}0 does not match the "
6639  "calculated one">;
6640def err_incorrect_defaulted_constexpr : Error<
6641  "defaulted definition of %select{default constructor|copy constructor|"
6642  "move constructor|copy assignment operator|move assignment operator}0 "
6643  "is not constexpr">;
6644def err_out_of_line_default_deletes : Error<
6645  "defaulting this %select{default constructor|copy constructor|move "
6646  "constructor|copy assignment operator|move assignment operator|destructor}0 "
6647  "would delete it after its first declaration">;
6648def warn_vbase_moved_multiple_times : Warning<
6649  "defaulted move assignment operator of %0 will move assign virtual base "
6650  "class %1 multiple times">, InGroup<DiagGroup<"multiple-move-vbase">>;
6651def note_vbase_moved_here : Note<
6652  "%select{%1 is a virtual base class of base class %2 declared here|"
6653  "virtual base class %1 declared here}0">;
6654
6655def ext_implicit_exception_spec_mismatch : ExtWarn<
6656  "function previously declared with an %select{explicit|implicit}0 exception "
6657  "specification redeclared with an %select{implicit|explicit}0 exception "
6658  "specification">, InGroup<DiagGroup<"implicit-exception-spec-mismatch">>;
6659
6660def warn_ptr_arith_precedes_bounds : Warning<
6661  "the pointer decremented by %0 refers before the beginning of the array">,
6662  InGroup<ArrayBoundsPointerArithmetic>, DefaultIgnore;
6663def warn_ptr_arith_exceeds_bounds : Warning<
6664  "the pointer incremented by %0 refers past the end of the array (that "
6665  "contains %1 element%s2)">,
6666  InGroup<ArrayBoundsPointerArithmetic>, DefaultIgnore;
6667def warn_array_index_precedes_bounds : Warning<
6668  "array index %0 is before the beginning of the array">,
6669  InGroup<ArrayBounds>;
6670def warn_array_index_exceeds_bounds : Warning<
6671  "array index %0 is past the end of the array (which contains %1 "
6672  "element%s2)">, InGroup<ArrayBounds>;
6673def note_array_index_out_of_bounds : Note<
6674  "array %0 declared here">;
6675
6676def warn_printf_insufficient_data_args : Warning<
6677  "more '%%' conversions than data arguments">, InGroup<Format>;
6678def warn_printf_data_arg_not_used : Warning<
6679  "data argument not used by format string">, InGroup<FormatExtraArgs>;
6680def warn_format_invalid_conversion : Warning<
6681  "invalid conversion specifier '%0'">, InGroup<FormatInvalidSpecifier>;
6682def warn_printf_incomplete_specifier : Warning<
6683  "incomplete format specifier">, InGroup<Format>;
6684def warn_missing_format_string : Warning<
6685  "format string missing">, InGroup<Format>;
6686def warn_scanf_nonzero_width : Warning<
6687  "zero field width in scanf format string is unused">,
6688  InGroup<Format>;
6689def warn_format_conversion_argument_type_mismatch : Warning<
6690  "format specifies type %0 but the argument has "
6691  "%select{type|underlying type}2 %1">,
6692  InGroup<Format>;
6693def warn_format_conversion_argument_type_mismatch_pedantic : Extension<
6694  "format specifies type %0 but the argument has "
6695  "%select{type|underlying type}2 %1">,
6696  InGroup<FormatPedantic>;
6697def warn_format_argument_needs_cast : Warning<
6698  "%select{values of type|enum values with underlying type}2 '%0' should not "
6699  "be used as format arguments; add an explicit cast to %1 instead">,
6700  InGroup<Format>;
6701def warn_printf_positional_arg_exceeds_data_args : Warning <
6702  "data argument position '%0' exceeds the number of data arguments (%1)">,
6703  InGroup<Format>;
6704def warn_format_zero_positional_specifier : Warning<
6705  "position arguments in format strings start counting at 1 (not 0)">,
6706  InGroup<Format>;
6707def warn_format_invalid_positional_specifier : Warning<
6708  "invalid position specified for %select{field width|field precision}0">,
6709  InGroup<Format>;
6710def warn_format_mix_positional_nonpositional_args : Warning<
6711  "cannot mix positional and non-positional arguments in format string">,
6712  InGroup<Format>;
6713def warn_static_array_too_small : Warning<
6714  "array argument is too small; contains %0 elements, callee requires at least %1">,
6715  InGroup<ArrayBounds>;
6716def note_callee_static_array : Note<
6717  "callee declares array parameter as static here">;
6718def warn_empty_format_string : Warning<
6719  "format string is empty">, InGroup<FormatZeroLength>;
6720def warn_format_string_is_wide_literal : Warning<
6721  "format string should not be a wide string">, InGroup<Format>;
6722def warn_printf_format_string_contains_null_char : Warning<
6723  "format string contains '\\0' within the string body">, InGroup<Format>;
6724def warn_printf_format_string_not_null_terminated : Warning<
6725  "format string is not null-terminated">, InGroup<Format>;
6726def warn_printf_asterisk_missing_arg : Warning<
6727  "'%select{*|.*}0' specified field %select{width|precision}0 is missing a matching 'int' argument">,
6728  InGroup<Format>;
6729def warn_printf_asterisk_wrong_type : Warning<
6730  "field %select{width|precision}0 should have type %1, but argument has type %2">,
6731  InGroup<Format>;
6732def warn_printf_nonsensical_optional_amount: Warning<
6733  "%select{field width|precision}0 used with '%1' conversion specifier, resulting in undefined behavior">,
6734  InGroup<Format>;
6735def warn_printf_nonsensical_flag: Warning<
6736  "flag '%0' results in undefined behavior with '%1' conversion specifier">,
6737  InGroup<Format>;
6738def warn_format_nonsensical_length: Warning<
6739  "length modifier '%0' results in undefined behavior or no effect with '%1' conversion specifier">,
6740  InGroup<Format>;
6741def warn_format_non_standard_positional_arg: Warning<
6742  "positional arguments are not supported by ISO C">, InGroup<FormatNonStandard>, DefaultIgnore;
6743def warn_format_non_standard: Warning<
6744  "'%0' %select{length modifier|conversion specifier}1 is not supported by ISO C">,
6745  InGroup<FormatNonStandard>, DefaultIgnore;
6746def warn_format_non_standard_conversion_spec: Warning<
6747  "using length modifier '%0' with conversion specifier '%1' is not supported by ISO C">,
6748  InGroup<FormatNonStandard>, DefaultIgnore;
6749def warn_printf_ignored_flag: Warning<
6750  "flag '%0' is ignored when flag '%1' is present">,
6751  InGroup<Format>;
6752def warn_scanf_scanlist_incomplete : Warning<
6753  "no closing ']' for '%%[' in scanf format string">,
6754  InGroup<Format>;
6755def note_format_string_defined : Note<"format string is defined here">;
6756def note_format_fix_specifier : Note<"did you mean to use '%0'?">;
6757def note_printf_c_str: Note<"did you mean to call the %0 method?">;
6758
6759def warn_null_arg : Warning<
6760  "null passed to a callee that requires a non-null argument">,
6761  InGroup<NonNull>;
6762def warn_null_ret : Warning<
6763  "null returned from %select{function|method}0 that requires a non-null return value">,
6764  InGroup<NonNull>;
6765
6766// CHECK: returning address/reference of stack memory
6767def warn_ret_stack_addr : Warning<
6768  "address of stack memory associated with local variable %0 returned">,
6769  InGroup<ReturnStackAddress>;
6770def warn_ret_stack_ref : Warning<
6771  "reference to stack memory associated with local variable %0 returned">,
6772  InGroup<ReturnStackAddress>;
6773def warn_ret_local_temp_addr : Warning<
6774  "returning address of local temporary object">,
6775  InGroup<ReturnStackAddress>;
6776def warn_ret_local_temp_ref : Warning<
6777  "returning reference to local temporary object">,
6778  InGroup<ReturnStackAddress>;
6779def warn_ret_addr_label : Warning<
6780  "returning address of label, which is local">,
6781  InGroup<ReturnStackAddress>;
6782def err_ret_local_block : Error<
6783  "returning block that lives on the local stack">;
6784def note_ref_var_local_bind : Note<
6785  "binding reference variable %0 here">;
6786
6787// Check for initializing a member variable with the address or a reference to
6788// a constructor parameter.
6789def warn_bind_ref_member_to_parameter : Warning<
6790  "binding reference member %0 to stack allocated parameter %1">,
6791  InGroup<DanglingField>;
6792def warn_init_ptr_member_to_parameter_addr : Warning<
6793  "initializing pointer member %0 with the stack address of parameter %1">,
6794  InGroup<DanglingField>;
6795def warn_bind_ref_member_to_temporary : Warning<
6796  "binding reference %select{|subobject of }1member %0 to a temporary value">,
6797  InGroup<DanglingField>;
6798def note_ref_or_ptr_member_declared_here : Note<
6799  "%select{reference|pointer}0 member declared here">;
6800def note_ref_subobject_of_member_declared_here : Note<
6801  "member with reference subobject declared here">;
6802
6803// For non-floating point, expressions of the form x == x or x != x
6804// should result in a warning, since these always evaluate to a constant.
6805// Array comparisons have similar warnings
6806def warn_comparison_always : Warning<
6807  "%select{self-|array }0comparison always evaluates to %select{false|true|a constant}1">,
6808  InGroup<TautologicalCompare>;
6809def warn_comparison_bitwise_always : Warning<
6810  "bitwise comparison always evaluates to %select{false|true}0">,
6811  InGroup<TautologicalCompare>;
6812def warn_tautological_overlap_comparison : Warning<
6813  "overlapping comparisons always evaluate to %select{false|true}0">,
6814  InGroup<TautologicalOverlapCompare>, DefaultIgnore;
6815
6816def warn_stringcompare : Warning<
6817  "result of comparison against %select{a string literal|@encode}0 is "
6818  "unspecified (use strncmp instead)">,
6819  InGroup<StringCompare>;
6820
6821def warn_identity_field_assign : Warning<
6822  "assigning %select{field|instance variable}0 to itself">,
6823  InGroup<SelfAssignmentField>;
6824
6825// Type safety attributes
6826def err_type_tag_for_datatype_not_ice : Error<
6827  "'type_tag_for_datatype' attribute requires the initializer to be "
6828  "an %select{integer|integral}0 constant expression">;
6829def err_type_tag_for_datatype_too_large : Error<
6830  "'type_tag_for_datatype' attribute requires the initializer to be "
6831  "an %select{integer|integral}0 constant expression "
6832  "that can be represented by a 64 bit integer">;
6833def warn_type_tag_for_datatype_wrong_kind : Warning<
6834  "this type tag was not designed to be used with this function">,
6835  InGroup<TypeSafety>;
6836def warn_type_safety_type_mismatch : Warning<
6837  "argument type %0 doesn't match specified %1 type tag "
6838  "%select{that requires %3|}2">, InGroup<TypeSafety>;
6839def warn_type_safety_null_pointer_required : Warning<
6840  "specified %0 type tag requires a null pointer">, InGroup<TypeSafety>;
6841
6842// Generic selections.
6843def err_assoc_type_incomplete : Error<
6844  "type %0 in generic association incomplete">;
6845def err_assoc_type_nonobject : Error<
6846  "type %0 in generic association not an object type">;
6847def err_assoc_type_variably_modified : Error<
6848  "type %0 in generic association is a variably modified type">;
6849def err_assoc_compatible_types : Error<
6850  "type %0 in generic association compatible with previously specified type %1">;
6851def note_compat_assoc : Note<
6852  "compatible type %0 specified here">;
6853def err_generic_sel_no_match : Error<
6854  "controlling expression type %0 not compatible with any generic association type">;
6855def err_generic_sel_multi_match : Error<
6856  "controlling expression type %0 compatible with %1 generic association types">;
6857
6858
6859// Blocks
6860def err_blocks_disable : Error<"blocks support disabled - compile with -fblocks"
6861  " or pick a deployment target that supports them">;
6862def err_block_returning_array_function : Error<
6863  "block cannot return %select{array|function}0 type %1">;
6864
6865// Builtin annotation
6866def err_builtin_annotation_first_arg : Error<
6867  "first argument to __builtin_annotation must be an integer">;
6868def err_builtin_annotation_second_arg : Error<
6869  "second argument to __builtin_annotation must be a non-wide string constant">;
6870
6871// CFString checking
6872def err_cfstring_literal_not_string_constant : Error<
6873  "CFString literal is not a string constant">;
6874def warn_cfstring_truncated : Warning<
6875  "input conversion stopped due to an input byte that does not "
6876  "belong to the input codeset UTF-8">,
6877  InGroup<DiagGroup<"CFString-literal">>;
6878
6879// Statements.
6880def err_continue_not_in_loop : Error<
6881  "'continue' statement not in loop statement">;
6882def err_break_not_in_loop_or_switch : Error<
6883  "'break' statement not in loop or switch statement">;
6884def warn_loop_ctrl_binds_to_inner : Warning<
6885  "'%0' is bound to current loop, GCC binds it to the enclosing loop">,
6886  InGroup<GccCompat>;
6887def warn_break_binds_to_switch : Warning<
6888  "'break' is bound to loop, GCC binds it to switch">,
6889  InGroup<GccCompat>;
6890def err_default_not_in_switch : Error<
6891  "'default' statement not in switch statement">;
6892def err_case_not_in_switch : Error<"'case' statement not in switch statement">;
6893def warn_bool_switch_condition : Warning<
6894  "switch condition has boolean value">, InGroup<SwitchBool>;
6895def warn_case_value_overflow : Warning<
6896  "overflow converting case value to switch condition type (%0 to %1)">,
6897  InGroup<Switch>;
6898def err_duplicate_case : Error<"duplicate case value '%0'">;
6899def err_duplicate_case_differing_expr : Error<
6900  "duplicate case value: '%0' and '%1' both equal '%2'">;
6901def warn_case_empty_range : Warning<"empty case range specified">;
6902def warn_missing_case_for_condition :
6903  Warning<"no case matching constant switch condition '%0'">;
6904
6905def warn_def_missing_case : Warning<"%plural{"
6906  "1:enumeration value %1 not explicitly handled in switch|"
6907  "2:enumeration values %1 and %2 not explicitly handled in switch|"
6908  "3:enumeration values %1, %2, and %3 not explicitly handled in switch|"
6909  ":%0 enumeration values not explicitly handled in switch: %1, %2, %3...}0">,
6910  InGroup<SwitchEnum>, DefaultIgnore;
6911
6912def warn_missing_case : Warning<"%plural{"
6913  "1:enumeration value %1 not handled in switch|"
6914  "2:enumeration values %1 and %2 not handled in switch|"
6915  "3:enumeration values %1, %2, and %3 not handled in switch|"
6916  ":%0 enumeration values not handled in switch: %1, %2, %3...}0">,
6917  InGroup<Switch>;
6918
6919def warn_unannotated_fallthrough : Warning<
6920  "unannotated fall-through between switch labels">,
6921  InGroup<ImplicitFallthrough>, DefaultIgnore;
6922def warn_unannotated_fallthrough_per_function : Warning<
6923  "unannotated fall-through between switch labels in partly-annotated "
6924  "function">, InGroup<ImplicitFallthroughPerFunction>, DefaultIgnore;
6925def note_insert_fallthrough_fixit : Note<
6926  "insert '%0;' to silence this warning">;
6927def note_insert_break_fixit : Note<
6928  "insert 'break;' to avoid fall-through">;
6929def err_fallthrough_attr_wrong_target : Error<
6930  "clang::fallthrough attribute is only allowed on empty statements">;
6931def note_fallthrough_insert_semi_fixit : Note<"did you forget ';'?">;
6932def err_fallthrough_attr_outside_switch : Error<
6933  "fallthrough annotation is outside switch statement">;
6934def warn_fallthrough_attr_invalid_placement : Warning<
6935  "fallthrough annotation does not directly precede switch label">,
6936  InGroup<ImplicitFallthrough>;
6937def warn_fallthrough_attr_unreachable : Warning<
6938  "fallthrough annotation in unreachable code">,
6939  InGroup<ImplicitFallthrough>;
6940
6941def warn_unreachable_default : Warning<
6942  "default label in switch which covers all enumeration values">,
6943  InGroup<CoveredSwitchDefault>, DefaultIgnore;
6944def warn_not_in_enum : Warning<"case value not in enumerated type %0">,
6945  InGroup<Switch>;
6946def warn_not_in_enum_assignment : Warning<"integer constant not in range "
6947  "of enumerated type %0">, InGroup<DiagGroup<"assign-enum">>, DefaultIgnore;
6948def err_typecheck_statement_requires_scalar : Error<
6949  "statement requires expression of scalar type (%0 invalid)">;
6950def err_typecheck_statement_requires_integer : Error<
6951  "statement requires expression of integer type (%0 invalid)">;
6952def err_multiple_default_labels_defined : Error<
6953  "multiple default labels in one switch">;
6954def err_switch_multiple_conversions : Error<
6955  "multiple conversions from switch condition type %0 to an integral or "
6956  "enumeration type">;
6957def note_switch_conversion : Note<
6958  "conversion to %select{integral|enumeration}0 type %1">;
6959def err_switch_explicit_conversion : Error<
6960  "switch condition type %0 requires explicit conversion to %1">;
6961def err_switch_incomplete_class_type : Error<
6962  "switch condition has incomplete class type %0">;
6963
6964def warn_empty_if_body : Warning<
6965  "if statement has empty body">, InGroup<EmptyBody>;
6966def warn_empty_for_body : Warning<
6967  "for loop has empty body">, InGroup<EmptyBody>;
6968def warn_empty_range_based_for_body : Warning<
6969  "range-based for loop has empty body">, InGroup<EmptyBody>;
6970def warn_empty_while_body : Warning<
6971  "while loop has empty body">, InGroup<EmptyBody>;
6972def warn_empty_switch_body : Warning<
6973  "switch statement has empty body">, InGroup<EmptyBody>;
6974def note_empty_body_on_separate_line : Note<
6975  "put the semicolon on a separate line to silence this warning">;
6976
6977def err_va_start_used_in_non_variadic_function : Error<
6978  "'va_start' used in function with fixed args">;
6979def warn_second_parameter_of_va_start_not_last_named_argument : Warning<
6980  "second parameter of 'va_start' not last named argument">, InGroup<Varargs>;
6981def warn_va_start_of_reference_type_is_undefined : Warning<
6982  "'va_start' has undefined behavior with reference types">, InGroup<Varargs>;
6983def err_first_argument_to_va_arg_not_of_type_va_list : Error<
6984  "first argument to 'va_arg' is of type %0 and not 'va_list'">;
6985def err_second_parameter_to_va_arg_incomplete: Error<
6986  "second argument to 'va_arg' is of incomplete type %0">;
6987def err_second_parameter_to_va_arg_abstract: Error<
6988  "second argument to 'va_arg' is of abstract type %0">;
6989def warn_second_parameter_to_va_arg_not_pod : Warning<
6990  "second argument to 'va_arg' is of non-POD type %0">,
6991  InGroup<NonPODVarargs>, DefaultError;
6992def warn_second_parameter_to_va_arg_ownership_qualified : Warning<
6993  "second argument to 'va_arg' is of ARC ownership-qualified type %0">,
6994  InGroup<NonPODVarargs>, DefaultError;
6995def warn_second_parameter_to_va_arg_never_compatible : Warning<
6996  "second argument to 'va_arg' is of promotable type %0; this va_arg has "
6997  "undefined behavior because arguments will be promoted to %1">, InGroup<Varargs>;
6998
6999def warn_return_missing_expr : Warning<
7000  "non-void %select{function|method}1 %0 should return a value">, DefaultError,
7001  InGroup<ReturnType>;
7002def ext_return_missing_expr : ExtWarn<
7003  "non-void %select{function|method}1 %0 should return a value">, DefaultError,
7004  InGroup<ReturnType>;
7005def ext_return_has_expr : ExtWarn<
7006  "%select{void function|void method|constructor|destructor}1 %0 "
7007  "should not return a value">,
7008  DefaultError, InGroup<ReturnType>;
7009def ext_return_has_void_expr : Extension<
7010  "void %select{function|method|block}1 %0 should not return void expression">;
7011def err_return_init_list : Error<
7012  "%select{void function|void method|constructor|destructor}1 %0 "
7013  "must not return a value">;
7014def err_ctor_dtor_returns_void : Error<
7015  "%select{constructor|destructor}1 %0 must not return void expression">;
7016def warn_noreturn_function_has_return_expr : Warning<
7017  "function %0 declared 'noreturn' should not return">,
7018  InGroup<InvalidNoreturn>;
7019def warn_falloff_noreturn_function : Warning<
7020  "function declared 'noreturn' should not return">,
7021  InGroup<InvalidNoreturn>;
7022def err_noreturn_block_has_return_expr : Error<
7023  "block declared 'noreturn' should not return">;
7024def err_noreturn_missing_on_first_decl : Error<
7025  "function declared '[[noreturn]]' after its first declaration">;
7026def note_noreturn_missing_first_decl : Note<
7027  "declaration missing '[[noreturn]]' attribute is here">;
7028def err_carries_dependency_missing_on_first_decl : Error<
7029  "%select{function|parameter}0 declared '[[carries_dependency]]' "
7030  "after its first declaration">;
7031def note_carries_dependency_missing_first_decl : Note<
7032  "declaration missing '[[carries_dependency]]' attribute is here">;
7033def err_carries_dependency_param_not_function_decl : Error<
7034  "'[[carries_dependency]]' attribute only allowed on parameter in a function "
7035  "declaration or lambda">;
7036def err_block_on_nonlocal : Error<
7037  "__block attribute not allowed, only allowed on local variables">;
7038def err_block_on_vm : Error<
7039  "__block attribute not allowed on declaration with a variably modified type">;
7040
7041def err_shufflevector_non_vector : Error<
7042  "first two arguments to __builtin_shufflevector must be vectors">;
7043def err_shufflevector_incompatible_vector : Error<
7044  "first two arguments to __builtin_shufflevector must have the same type">;
7045def err_shufflevector_nonconstant_argument : Error<
7046  "index for __builtin_shufflevector must be a constant integer">;
7047def err_shufflevector_argument_too_large : Error<
7048  "index for __builtin_shufflevector must be less than the total number "
7049  "of vector elements">;
7050
7051def err_convertvector_non_vector : Error<
7052  "first argument to __builtin_convertvector must be a vector">;
7053def err_convertvector_non_vector_type : Error<
7054  "second argument to __builtin_convertvector must be a vector type">;
7055def err_convertvector_incompatible_vector : Error<
7056  "first two arguments to __builtin_convertvector must have the same number of elements">;
7057
7058def err_first_argument_to_cwsc_not_call : Error<
7059  "first argument to __builtin_call_with_static_chain must be a non-member call expression">;
7060def err_first_argument_to_cwsc_block_call : Error<
7061  "first argument to __builtin_call_with_static_chain must not be a block call">;
7062def err_first_argument_to_cwsc_builtin_call : Error<
7063  "first argument to __builtin_call_with_static_chain must not be a builtin call">;
7064def err_first_argument_to_cwsc_pdtor_call : Error<
7065  "first argument to __builtin_call_with_static_chain must not be a pseudo-destructor call">;
7066def err_second_argument_to_cwsc_not_pointer : Error<
7067  "second argument to __builtin_call_with_static_chain must be of pointer type">;
7068
7069def err_vector_incorrect_num_initializers : Error<
7070  "%select{too many|too few}0 elements in vector initialization (expected %1 elements, have %2)">;
7071def err_altivec_empty_initializer : Error<"expected initializer">;
7072
7073def err_invalid_neon_type_code : Error<
7074  "incompatible constant for this __builtin_neon function">;
7075def err_argument_invalid_range : Error<
7076  "argument should be a value from %0 to %1">;
7077def warn_neon_vector_initializer_non_portable : Warning<
7078  "vector initializers are not compatible with NEON intrinsics in big endian "
7079  "mode">, InGroup<DiagGroup<"nonportable-vector-initialization">>;
7080def note_neon_vector_initializer_non_portable : Note<
7081  "consider using vld1_%0%1() to initialize a vector from memory, or "
7082  "vcreate_%0%1() to initialize from an integer constant">;
7083def note_neon_vector_initializer_non_portable_q : Note<
7084  "consider using vld1q_%0%1() to initialize a vector from memory, or "
7085  "vcombine_%0%1(vcreate_%0%1(), vcreate_%0%1()) to initialize from integer "
7086  "constants">;
7087def err_systemz_invalid_tabort_code : Error<
7088  "invalid transaction abort code">;
7089def err_64_bit_builtin_32_bit_tgt : Error<
7090  "this builtin is only available on 64-bit targets">;
7091def err_ppc_builtin_only_on_pwr7 : Error<
7092  "this builtin is only valid on POWER7 or later CPUs">;
7093
7094def err_builtin_longjmp_unsupported : Error<
7095  "__builtin_longjmp is not supported for the current target">;
7096def err_builtin_setjmp_unsupported : Error<
7097  "__builtin_setjmp is not supported for the current target">;
7098
7099def err_builtin_longjmp_invalid_val : Error<
7100  "argument to __builtin_longjmp must be a constant 1">;
7101def err_builtin_requires_language : Error<"'%0' is only available in %1">;
7102
7103def err_constant_integer_arg_type : Error<
7104  "argument to %0 must be a constant integer">;
7105
7106def ext_mixed_decls_code : Extension<
7107  "ISO C90 forbids mixing declarations and code">,
7108  InGroup<DiagGroup<"declaration-after-statement">>;
7109
7110def err_non_local_variable_decl_in_for : Error<
7111  "declaration of non-local variable in 'for' loop">;
7112def err_non_variable_decl_in_for : Error<
7113  "non-variable declaration in 'for' loop">;
7114def err_toomany_element_decls : Error<
7115  "only one element declaration is allowed">;
7116def err_selector_element_not_lvalue : Error<
7117  "selector element is not a valid lvalue">;
7118def err_selector_element_type : Error<
7119  "selector element type %0 is not a valid object">;
7120def err_selector_element_const_type : Error<
7121  "selector element of type %0 cannot be a constant l-value expression">;
7122def err_collection_expr_type : Error<
7123  "the type %0 is not a pointer to a fast-enumerable object">;
7124def warn_collection_expr_type : Warning<
7125  "collection expression type %0 may not respond to %1">;
7126
7127def err_invalid_conversion_between_ext_vectors : Error<
7128  "invalid conversion between ext-vector type %0 and %1">;
7129
7130def warn_duplicate_attribute_exact : Warning<
7131  "attribute %0 is already applied">, InGroup<IgnoredAttributes>;
7132
7133def warn_duplicate_attribute : Warning<
7134  "attribute %0 is already applied with different parameters">,
7135  InGroup<IgnoredAttributes>;
7136
7137def warn_sync_fetch_and_nand_semantics_change : Warning<
7138  "the semantics of this intrinsic changed with GCC "
7139  "version 4.4 - the newer semantics are provided here">,
7140  InGroup<DiagGroup<"sync-fetch-and-nand-semantics-changed">>;
7141
7142// Type
7143def ext_invalid_sign_spec : Extension<"'%0' cannot be signed or unsigned">;
7144def warn_receiver_forward_class : Warning<
7145    "receiver %0 is a forward class and corresponding @interface may not exist">,
7146    InGroup<ForwardClassReceiver>;
7147def note_method_sent_forward_class : Note<"method %0 is used for the forward class">;
7148def ext_missing_declspec : ExtWarn<
7149  "declaration specifier missing, defaulting to 'int'">;
7150def ext_missing_type_specifier : ExtWarn<
7151  "type specifier missing, defaults to 'int'">,
7152  InGroup<ImplicitInt>;
7153def err_decimal_unsupported : Error<
7154  "GNU decimal type extension not supported">;
7155def err_missing_type_specifier : Error<
7156  "C++ requires a type specifier for all declarations">;
7157def err_objc_array_of_interfaces : Error<
7158  "array of interface %0 is invalid (probably should be an array of pointers)">;
7159def ext_c99_array_usage : Extension<
7160  "%select{qualifier in |static |}0array size %select{||'[*] '}0is a C99 "
7161  "feature">, InGroup<C99>;
7162def err_c99_array_usage_cxx : Error<
7163  "%select{qualifier in |static |}0array size %select{||'[*] '}0is a C99 "
7164  "feature, not permitted in C++">;
7165 def err_type_requires_extension : Error<
7166  "use of type %0 requires %1 extension to be enabled">;
7167def err_int128_unsupported : Error<
7168  "__int128 is not supported on this target">;
7169def err_nsconsumed_attribute_mismatch : Error<
7170  "overriding method has mismatched ns_consumed attribute on its"
7171  " parameter">;
7172def err_nsreturns_retained_attribute_mismatch : Error<
7173  "overriding method has mismatched ns_returns_%select{not_retained|retained}0"
7174  " attributes">;
7175
7176def note_getter_unavailable : Note<
7177  "or because setter is declared here, but no getter method %0 is found">;
7178def err_invalid_protocol_qualifiers : Error<
7179  "invalid protocol qualifiers on non-ObjC type">;
7180def warn_ivar_use_hidden : Warning<
7181  "local declaration of %0 hides instance variable">,
7182   InGroup<DiagGroup<"shadow-ivar">>;
7183def warn_direct_initialize_call : Warning<
7184  "explicit call to +initialize results in duplicate call to +initialize">,
7185   InGroup<ExplicitInitializeCall>;
7186def warn_direct_super_initialize_call : Warning<
7187  "explicit call to [super initialize] should only be in implementation "
7188  "of +initialize">,
7189   InGroup<ExplicitInitializeCall>;
7190def error_ivar_use_in_class_method : Error<
7191  "instance variable %0 accessed in class method">;
7192def error_implicit_ivar_access : Error<
7193  "instance variable %0 cannot be accessed because 'self' has been redeclared">;
7194def error_private_ivar_access : Error<"instance variable %0 is private">,
7195  AccessControl;
7196def error_protected_ivar_access : Error<"instance variable %0 is protected">,
7197  AccessControl;
7198def warn_maynot_respond : Warning<"%0 may not respond to %1">;
7199def ext_typecheck_base_super : Warning<
7200  "method parameter type "
7201  "%diff{$ does not match super class method parameter type $|"
7202  "does not match super class method parameter type}0,1">,
7203   InGroup<SuperSubClassMismatch>, DefaultIgnore;
7204def warn_missing_method_return_type : Warning<
7205  "method has no return type specified; defaults to 'id'">,
7206  InGroup<MissingMethodReturnType>, DefaultIgnore;
7207def warn_direct_ivar_access : Warning<"instance variable %0 is being "
7208  "directly accessed">, InGroup<DiagGroup<"direct-ivar-access">>, DefaultIgnore;
7209
7210// Spell-checking diagnostics
7211def err_unknown_typename : Error<
7212  "unknown type name %0">;
7213def err_unknown_type_or_class_name_suggest : Error<
7214  "unknown %select{type|class}1 name %0; did you mean %2?">;
7215def err_unknown_typename_suggest : Error<
7216  "unknown type name %0; did you mean %1?">;
7217def err_unknown_nested_typename_suggest : Error<
7218  "no type named %0 in %1; did you mean %select{|simply }2%3?">;
7219def err_no_member_suggest : Error<"no member named %0 in %1; did you mean %select{|simply }2%3?">;
7220def err_undeclared_use_suggest : Error<
7221  "use of undeclared %0; did you mean %1?">;
7222def err_undeclared_var_use_suggest : Error<
7223  "use of undeclared identifier %0; did you mean %1?">;
7224def err_no_template_suggest : Error<"no template named %0; did you mean %1?">;
7225def err_no_member_template_suggest : Error<
7226  "no template named %0 in %1; did you mean %select{|simply }2%3?">;
7227def err_mem_init_not_member_or_class_suggest : Error<
7228  "initializer %0 does not name a non-static data member or base "
7229  "class; did you mean the %select{base class|member}1 %2?">;
7230def err_field_designator_unknown_suggest : Error<
7231  "field designator %0 does not refer to any field in type %1; did you mean "
7232  "%2?">;
7233def err_typecheck_member_reference_ivar_suggest : Error<
7234  "%0 does not have a member named %1; did you mean %2?">;
7235def err_property_not_found_suggest : Error<
7236  "property %0 not found on object of type %1; did you mean %2?">;
7237def err_ivar_access_using_property_syntax_suggest : Error<
7238  "property %0 not found on object of type %1; did you mean to access instance variable %2?">;
7239def warn_property_access_suggest : Warning<
7240"property %0 not found on object of type %1; did you mean to access property %2?">,
7241InGroup<PropertyAccessDotSyntax>;
7242def err_property_found_suggest : Error<
7243  "property %0 found on object of type %1; did you mean to access "
7244  "it with the \".\" operator?">;
7245def err_undef_interface_suggest : Error<
7246  "cannot find interface declaration for %0; did you mean %1?">;
7247def warn_undef_interface_suggest : Warning<
7248  "cannot find interface declaration for %0; did you mean %1?">;
7249def err_undef_superclass_suggest : Error<
7250  "cannot find interface declaration for %0, superclass of %1; did you mean "
7251  "%2?">;
7252def err_undeclared_protocol_suggest : Error<
7253  "cannot find protocol declaration for %0; did you mean %1?">;
7254def note_base_class_specified_here : Note<
7255  "base class %0 specified here">;
7256def err_using_directive_suggest : Error<
7257  "no namespace named %0; did you mean %1?">;
7258def err_using_directive_member_suggest : Error<
7259  "no namespace named %0 in %1; did you mean %select{|simply }2%3?">;
7260def note_namespace_defined_here : Note<"namespace %0 defined here">;
7261def err_sizeof_pack_no_pack_name_suggest : Error<
7262  "%0 does not refer to the name of a parameter pack; did you mean %1?">;
7263def note_parameter_pack_here : Note<"parameter pack %0 declared here">;
7264
7265def err_uncasted_use_of_unknown_any : Error<
7266  "%0 has unknown type; cast it to its declared type to use it">;
7267def err_uncasted_call_of_unknown_any : Error<
7268  "%0 has unknown return type; cast the call to its declared return type">;
7269def err_uncasted_send_to_unknown_any_method : Error<
7270  "no known method %select{%objcinstance1|%objcclass1}0; cast the "
7271  "message send to the method's return type">;
7272def err_unsupported_unknown_any_decl : Error<
7273  "%0 has unknown type, which is not supported for this kind of declaration">;
7274def err_unsupported_unknown_any_expr : Error<
7275  "unsupported expression with unknown type">;
7276def err_unsupported_unknown_any_call : Error<
7277  "call to unsupported expression with unknown type">;
7278def err_unknown_any_addrof : Error<
7279  "the address of a declaration with unknown type "
7280  "can only be cast to a pointer type">;
7281def err_unknown_any_var_function_type : Error<
7282  "variable %0 with unknown type cannot be given a function type">;
7283def err_unknown_any_function : Error<
7284  "function %0 with unknown type must be given a function type">;
7285
7286def err_filter_expression_integral : Error<
7287  "filter expression type should be an integral value not %0">;
7288
7289def err_non_asm_stmt_in_naked_function : Error<
7290  "non-ASM statement in naked function is not supported">;
7291def err_asm_naked_this_ref : Error<
7292  "'this' pointer references not allowed in naked functions">;
7293def err_asm_naked_parm_ref : Error<
7294  "parameter references not allowed in naked functions">;
7295
7296def ext_deprecated_attr_is_a_cxx14_extension : ExtWarn<
7297  "use of the 'deprecated' attribute is a C++14 extension">, InGroup<CXX14>;
7298
7299// OpenCL warnings and errors.
7300def err_invalid_astype_of_different_size : Error<
7301  "invalid reinterpretation: sizes of %0 and %1 must match">;
7302def err_static_kernel : Error<
7303  "kernel functions cannot be declared static">;
7304def err_opencl_ptrptr_kernel_param : Error<
7305  "kernel parameter cannot be declared as a pointer to a pointer">;
7306def err_opencl_private_ptr_kernel_param : Error<
7307  "kernel parameter cannot be declared as a pointer to the __private address space">;
7308def err_static_function_scope : Error<
7309  "variables in function scope cannot be declared static">;
7310def err_opencl_bitfields : Error<
7311  "bitfields are not supported in OpenCL">;
7312def err_opencl_vla : Error<
7313  "variable length arrays are not supported in OpenCL">;
7314def err_bad_kernel_param_type : Error<
7315  "%0 cannot be used as the type of a kernel parameter">;
7316def err_record_with_pointers_kernel_param : Error<
7317  "%select{struct|union}0 kernel parameters may not contain pointers">;
7318def note_within_field_of_type : Note<
7319  "within field of type %0 declared here">;
7320def note_illegal_field_declared_here : Note<
7321  "field of illegal %select{type|pointer type}0 %1 declared here">;
7322def err_event_t_global_var : Error<
7323  "the event_t type cannot be used to declare a program scope variable">;
7324def err_event_t_struct_field : Error<
7325  "the event_t type cannot be used to declare a structure or union field">;
7326def err_event_t_addr_space_qual : Error<
7327  "the event_t type can only be used with __private address space qualifier">;
7328def err_expected_kernel_void_return_type : Error<
7329  "kernel must have void return type">;
7330def err_sampler_argument_required : Error<
7331  "sampler_t variable required - got %0">;
7332def err_wrong_sampler_addressspace: Error<
7333  "sampler type cannot be used with the __local and __global address space qualifiers">;
7334def err_opencl_global_invalid_addr_space : Error<
7335  "global variables must have a constant address space qualifier">;
7336def err_opencl_no_main : Error<"%select{function|kernel}0 cannot be called 'main'">;
7337def err_opencl_kernel_attr :
7338  Error<"attribute %0 can only be applied to a kernel function">;
7339def err_opencl_return_value_with_address_space : Error<
7340  "return value cannot be qualified with address space">;
7341def err_opencl_constant_no_init : Error<
7342  "variable in constant address space must be initialized">;
7343} // end of sema category
7344
7345let CategoryName = "OpenMP Issue" in {
7346// OpenMP support.
7347def err_omp_expected_var_arg : Error<
7348  "%0 is not a global variable, static local variable or static data member">;
7349def err_omp_expected_var_arg_suggest : Error<
7350  "%0 is not a global variable, static local variable or static data member; "
7351  "did you mean %1">;
7352def err_omp_global_var_arg : Error<
7353  "arguments of '#pragma omp %0' must have %select{global storage|static storage duration}1">;
7354def err_omp_ref_type_arg : Error<
7355  "arguments of '#pragma omp %0' cannot be of reference type %1">;
7356def err_omp_var_scope : Error<
7357  "'#pragma omp %0' must appear in the scope of the %q1 variable declaration">;
7358def err_omp_var_used : Error<
7359  "'#pragma omp %0' must precede all references to variable %q1">;
7360def err_omp_var_thread_local : Error<
7361  "variable %0 cannot be threadprivate because it is %select{thread-local|a global named register variable}1">;
7362def err_omp_private_incomplete_type : Error<
7363  "a private variable with incomplete type %0">;
7364def err_omp_firstprivate_incomplete_type : Error<
7365  "a firstprivate variable with incomplete type %0">;
7366def err_omp_lastprivate_incomplete_type : Error<
7367  "a lastprivate variable with incomplete type %0">;
7368def err_omp_reduction_incomplete_type : Error<
7369  "a reduction variable with incomplete type %0">;
7370def err_omp_unexpected_clause_value : Error<
7371  "expected %0 in OpenMP clause '%1'">;
7372def err_omp_expected_var_name : Error<
7373  "expected variable name">;
7374def err_omp_required_method : Error<
7375  "%0 variable must have an accessible, unambiguous %select{default constructor|copy constructor|copy assignment operator|'%2'|destructor}1">;
7376def note_omp_task_predetermined_firstprivate_here : Note<
7377  "predetermined as a firstprivate in a task construct here">;
7378def err_omp_clause_ref_type_arg : Error<
7379  "arguments of OpenMP clause '%0' cannot be of reference type %1">;
7380def err_omp_task_predetermined_firstprivate_ref_type_arg : Error<
7381  "predetermined as a firstprivate in a task construct variable cannot be of reference type %0">;
7382def err_omp_threadprivate_incomplete_type : Error<
7383  "threadprivate variable with incomplete type %0">;
7384def err_omp_no_dsa_for_variable : Error<
7385  "variable %0 must have explicitly specified data sharing attributes">;
7386def err_omp_wrong_dsa : Error<
7387  "%0 variable cannot be %1">;
7388def note_omp_explicit_dsa : Note<
7389  "defined as %0">;
7390def note_omp_predetermined_dsa : Note<
7391  "%select{static data member is predetermined as shared|"
7392  "variable with static storage duration is predetermined as shared|"
7393  "loop iteration variable is predetermined as private|"
7394  "loop iteration variable is predetermined as linear|"
7395  "loop iteration variable is predetermined as lastprivate|"
7396  "constant variable is predetermined as shared|"
7397  "global variable is predetermined as shared|"
7398  "non-shared variable in a task construct is predetermined as firstprivate|"
7399  "variable with automatic storage duration is predetermined as private}0"
7400  "%select{|; perhaps you forget to enclose 'omp %2' directive into a parallel or another task region?}1">;
7401def note_omp_implicit_dsa : Note<
7402  "implicitly determined as %0">;
7403def err_omp_loop_var_dsa : Error<
7404  "loop iteration variable in the associated loop of 'omp %1' directive may not be %0, predetermined as %2">;
7405def err_omp_global_loop_var_dsa : Error<
7406  "loop iteration variable in the associated loop of 'omp %1' directive may not be a variable with global storage without being explicitly marked as %0">;
7407def err_omp_not_for : Error<
7408  "%select{statement after '#pragma omp %1' must be a for loop|"
7409  "expected %2 for loops after '#pragma omp %1'%select{|, but found only %4}3}0">;
7410def note_omp_collapse_expr : Note<
7411  "as specified in 'collapse' clause">;
7412def err_omp_negative_expression_in_clause : Error<
7413  "argument to '%0' clause must be a positive integer value">;
7414def err_omp_not_integral : Error<
7415  "expression must have integral or unscoped enumeration "
7416  "type, not %0">;
7417def err_omp_incomplete_type : Error<
7418  "expression has incomplete class type %0">;
7419def err_omp_explicit_conversion : Error<
7420  "expression requires explicit conversion from %0 to %1">;
7421def note_omp_conversion_here : Note<
7422  "conversion to %select{integral|enumeration}0 type %1 declared here">;
7423def err_omp_ambiguous_conversion : Error<
7424  "ambiguous conversion from type %0 to an integral or unscoped "
7425  "enumeration type">;
7426def err_omp_required_access : Error<
7427  "%0 variable must be %1">;
7428def err_omp_const_variable : Error<
7429  "const-qualified variable cannot be %0">;
7430def err_omp_linear_incomplete_type : Error<
7431  "a linear variable with incomplete type %0">;
7432def err_omp_linear_expected_int_or_ptr : Error<
7433  "argument of a linear clause should be of integral or pointer "
7434  "type, not %0">;
7435def warn_omp_linear_step_zero : Warning<
7436  "zero linear step (%0 %select{|and other variables in clause }1should probably be const)">,
7437  InGroup<OpenMPClauses>;
7438def warn_omp_alignment_not_power_of_two : Warning<
7439  "aligned clause will be ignored because the requested alignment is not a power of 2">,
7440  InGroup<OpenMPClauses>;
7441def err_omp_aligned_expected_array_or_ptr : Error<
7442  "argument of aligned clause should be array"
7443  "%select{ or pointer|, pointer, reference to array or reference to pointer}1"
7444  ", not %0">;
7445def err_omp_aligned_twice : Error<
7446  "a variable cannot appear in more than one aligned clause">;
7447def err_omp_local_var_in_threadprivate_init : Error<
7448  "variable with local storage in initial value of threadprivate variable">;
7449def err_omp_loop_not_canonical_init : Error<
7450  "initialization clause of OpenMP for loop must be of the form "
7451  "'var = init' or 'T var = init'">;
7452def ext_omp_loop_not_canonical_init : ExtWarn<
7453  "initialization clause of OpenMP for loop is not in canonical form "
7454  "('var = init' or 'T var = init')">, InGroup<OpenMPLoopForm>;
7455def err_omp_loop_not_canonical_cond : Error<
7456  "condition of OpenMP for loop must be a relational comparison "
7457  "('<', '<=', '>', or '>=') of loop variable %0">;
7458def err_omp_loop_not_canonical_incr : Error<
7459  "increment clause of OpenMP for loop must perform simple addition "
7460  "or subtraction on loop variable %0">;
7461def err_omp_loop_variable_type : Error<
7462  "variable must be of integer or %select{pointer|random access iterator}0 type">;
7463def err_omp_loop_incr_not_compatible : Error<
7464  "increment expression must cause %0 to %select{decrease|increase}1 "
7465  "on each iteration of OpenMP for loop">;
7466def note_omp_loop_cond_requres_compatible_incr : Note<
7467  "loop step is expected to be %select{negative|positive}0 due to this condition">;
7468def err_omp_loop_diff_cxx : Error<
7469  "could not calculate number of iterations calling 'operator-' with "
7470  "upper and lower loop bounds">;
7471def err_omp_loop_cannot_use_stmt : Error<
7472  "'%0' statement cannot be used in OpenMP for loop">;
7473def err_omp_simd_region_cannot_use_stmt : Error<
7474  "'%0' statement cannot be used in OpenMP simd region">;
7475def warn_omp_loop_64_bit_var : Warning<
7476  "OpenMP loop iteration variable cannot have more than 64 bits size and will be narrowed">,
7477  InGroup<OpenMPLoopForm>;
7478def err_omp_unknown_reduction_identifier : Error<
7479  "incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'">;
7480def err_omp_reduction_type_array : Error<
7481  "a reduction variable with array type %0">;
7482def err_omp_reduction_ref_type_arg : Error<
7483  "argument of OpenMP clause 'reduction' must reference the same object in all threads">;
7484def err_omp_clause_not_arithmetic_type_arg : Error<
7485  "arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of %select{scalar|arithmetic}0 type">;
7486def err_omp_clause_floating_type_arg : Error<
7487  "arguments of OpenMP clause 'reduction' with bitwise operators cannot be of floating type">;
7488def err_omp_once_referenced : Error<
7489  "variable can appear only once in OpenMP '%0' clause">;
7490def note_omp_referenced : Note<
7491  "previously referenced here">;
7492def err_omp_reduction_in_task : Error<
7493  "reduction variables may not be accessed in an explicit task">;
7494def err_omp_reduction_id_not_compatible : Error<
7495  "variable of type %0 is not valid for specified reduction operation: unable to provide default initialization value">;
7496def err_omp_prohibited_region : Error<
7497  "region cannot be%select{| closely}0 nested inside '%1' region"
7498  "%select{|; perhaps you forget to enclose 'omp %3' directive into a parallel region?|"
7499  "; perhaps you forget to enclose 'omp %3' directive into a for or a parallel for region with 'ordered' clause?|"
7500  "; perhaps you forget to enclose 'omp %3' directive into a target region?}2">;
7501def err_omp_prohibited_region_simd : Error<
7502  "OpenMP constructs may not be nested inside a simd region">;
7503def err_omp_prohibited_region_atomic : Error<
7504  "OpenMP constructs may not be nested inside an atomic region">;
7505def err_omp_prohibited_region_critical_same_name : Error<
7506  "cannot nest 'critical' regions having the same name %0">;
7507def note_omp_previous_critical_region : Note<
7508  "previous 'critical' region starts here">;
7509def err_omp_sections_not_compound_stmt : Error<
7510  "the statement for '#pragma omp sections' must be a compound statement">;
7511def err_omp_parallel_sections_not_compound_stmt : Error<
7512  "the statement for '#pragma omp parallel sections' must be a compound statement">;
7513def err_omp_orphaned_section_directive : Error<
7514  "%select{orphaned 'omp section' directives are prohibited, it|'omp section' directive}0"
7515  " must be closely nested to a sections region%select{|, not a %1 region}0">;
7516def err_omp_sections_substmt_not_section : Error<
7517  "statement in 'omp sections' directive must be enclosed into a section region">;
7518def err_omp_parallel_sections_substmt_not_section : Error<
7519  "statement in 'omp parallel sections' directive must be enclosed into a section region">;
7520def err_omp_parallel_reduction_in_task_firstprivate : Error<
7521  "argument of a reduction clause of a %0 construct must not appear in a firstprivate clause on a task construct">;
7522def err_omp_atomic_read_not_expression_statement : Error<
7523  "the statement for 'atomic read' must be an expression statement of form 'v = x;',"
7524  " where v and x are both lvalue expressions with scalar type">;
7525def note_omp_atomic_read_write: Note<
7526  "%select{expected an expression statement|expected built-in assignment operator|expected expression of scalar type|expected lvalue expression}0">;
7527def err_omp_atomic_write_not_expression_statement : Error<
7528  "the statement for 'atomic write' must be an expression statement of form 'x = expr;',"
7529  " where x is a lvalue expression with scalar type">;
7530def err_omp_atomic_update_not_expression_statement : Error<
7531  "the statement for 'atomic update' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x',"
7532  " where x is an l-value expression with scalar type">;
7533def err_omp_atomic_not_expression_statement : Error<
7534  "the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x',"
7535  " where x is an l-value expression with scalar type">;
7536def note_omp_atomic_update: Note<
7537  "%select{expected an expression statement|expected built-in binary or unary operator|expected unary decrement/increment operation|"
7538  "expected expression of scalar type|expected assignment expression|expected built-in binary operator|"
7539  "expected one of '+', '*', '-', '/', '&', '^', '%|', '<<', or '>>' built-in operations|expected in right hand side of expression}0">;
7540def err_omp_atomic_capture_not_expression_statement : Error<
7541  "the statement for 'atomic capture' must be an expression statement of form 'v = ++x;', 'v = --x;', 'v = x++;', 'v = x--;', 'v = x binop= expr;', 'v = x = x binop expr' or 'v = x = expr binop x',"
7542  " where x and v are both l-value expressions with scalar type">;
7543def err_omp_atomic_capture_not_compound_statement : Error<
7544  "the statement for 'atomic capture' must be a compound statement of form '{v = x; x binop= expr;}', '{x binop= expr; v = x;}',"
7545  " '{v = x; x = x binop expr;}', '{v = x; x = expr binop x;}', '{x = x binop expr; v = x;}', '{x = expr binop x; v = x;}' or '{v = x; x = expr;}',"
7546  " '{v = x; x++;}', '{v = x; ++x;}', '{++x; v = x;}', '{x++; v = x;}', '{v = x; x--;}', '{v = x; --x;}', '{--x; v = x;}', '{x--; v = x;}'"
7547  " where x is an l-value expression with scalar type">;
7548def note_omp_atomic_capture: Note<
7549  "%select{expected assignment expression|expected compound statement|expected exactly two expression statements|expected in right hand side of the first expression}0">;
7550def err_omp_atomic_several_clauses : Error<
7551  "directive '#pragma omp atomic' cannot contain more than one 'read', 'write', 'update' or 'capture' clause">;
7552def note_omp_atomic_previous_clause : Note<
7553  "'%0' clause used here">;
7554def err_omp_target_contains_not_only_teams : Error<
7555  "target construct with nested teams region contains statements outside of the teams construct">;
7556def note_omp_nested_teams_construct_here : Note<
7557  "nested teams construct here">;
7558def note_omp_nested_statement_here : Note<
7559  "%select{statement|directive}0 outside teams construct here">;
7560def err_omp_single_copyprivate_with_nowait : Error<
7561  "the 'copyprivate' clause must not be used with the 'nowait' clause">;
7562def note_omp_nowait_clause_here : Note<
7563  "'nowait' clause is here">;
7564} // end of OpenMP category
7565
7566let CategoryName = "Related Result Type Issue" in {
7567// Objective-C related result type compatibility
7568def warn_related_result_type_compatibility_class : Warning<
7569  "method is expected to return an instance of its class type "
7570  "%diff{$, but is declared to return $|"
7571  ", but is declared to return different type}0,1">;
7572def warn_related_result_type_compatibility_protocol : Warning<
7573  "protocol method is expected to return an instance of the implementing "
7574  "class, but is declared to return %0">;
7575def note_related_result_type_family : Note<
7576  "%select{overridden|current}0 method is part of the '%select{|alloc|copy|init|"
7577  "mutableCopy|new|autorelease|dealloc|finalize|release|retain|retainCount|"
7578  "self}1' method family%select{| and is expected to return an instance of its "
7579  "class type}0">;
7580def note_related_result_type_overridden : Note<
7581  "overridden method returns an instance of its class type">;
7582def note_related_result_type_inferred : Note<
7583  "%select{class|instance}0 method %1 is assumed to return an instance of "
7584  "its receiver type (%2)">;
7585def note_related_result_type_explicit : Note<
7586  "%select{overridden|current}0 method is explicitly declared 'instancetype'"
7587  "%select{| and is expected to return an instance of its class type}0">;
7588
7589}
7590
7591let CategoryName = "Modules Issue" in {
7592def err_module_private_specialization : Error<
7593  "%select{template|partial|member}0 specialization cannot be "
7594  "declared __module_private__">;
7595def err_module_private_local : Error<
7596  "%select{local variable|parameter|typedef}0 %1 cannot be declared "
7597  "__module_private__">;
7598def err_module_private_local_class : Error<
7599  "local %select{struct|interface|union|class|enum}0 cannot be declared "
7600  "__module_private__">;
7601def err_module_private_declaration : Error<
7602  "declaration of %0 must be imported from module '%1' before it is required">;
7603def err_module_private_definition : Error<
7604  "definition of %0 must be imported from module '%1' before it is required">;
7605def err_module_import_in_extern_c : Error<
7606  "import of C++ module '%0' appears within extern \"C\" language linkage "
7607  "specification">;
7608def note_module_import_in_extern_c : Note<
7609  "extern \"C\" language linkage specification begins here">;
7610def err_module_import_not_at_top_level : Error<
7611  "import of module '%0' appears within %1">;
7612def note_module_import_not_at_top_level : Note<"%0 begins here">;
7613def err_module_self_import : Error<
7614  "import of module '%0' appears within same top-level module '%1'">;
7615def err_module_import_in_implementation : Error<
7616  "@import of module '%0' in implementation of '%1'; use #import">;
7617}
7618
7619let CategoryName = "Documentation Issue" in {
7620def warn_not_a_doxygen_trailing_member_comment : Warning<
7621  "not a Doxygen trailing comment">, InGroup<Documentation>, DefaultIgnore;
7622} // end of documentation issue category
7623
7624let CategoryName = "Instrumentation Issue" in {
7625def warn_profile_data_out_of_date : Warning<
7626  "profile data may be out of date: of %0 function%s0, %1 %plural{1:has|:have}1"
7627  " no data and %2 %plural{1:has|:have}2 mismatched data that will be ignored">,
7628  InGroup<ProfileInstrOutOfDate>;
7629def warn_profile_data_unprofiled : Warning<
7630  "no profile data available for file \"%0\"">,
7631  InGroup<ProfileInstrUnprofiled>;
7632
7633} // end of instrumentation issue category
7634
7635} // end of sema component.
7636