1 // RUN: %clang_cc1 -fsyntax-only -verify %s -DNONE
2 // RUN: %clang_cc1 -fsyntax-only -verify %s -DALL -Wgnu
3 // RUN: %clang_cc1 -fsyntax-only -verify %s -DALL \
4 // RUN: -Wgnu-zero-variadic-macro-arguments \
5 // RUN: -Wgnu-imaginary-constant -Wgnu-binary-literal -Wgnu-zero-line-directive
6 // RUN: %clang_cc1 -fsyntax-only -verify %s -DNONE -Wgnu \
7 // RUN: -Wno-gnu-zero-variadic-macro-arguments \
8 // RUN: -Wno-gnu-imaginary-constant -Wno-gnu-binary-literal -Wno-gnu-zero-line-directive
9 // Additional disabled tests:
10 // %clang_cc1 -fsyntax-only -verify %s -DZEROARGS -Wgnu-zero-variadic-macro-arguments
11 // %clang_cc1 -fsyntax-only -verify %s -DIMAGINARYCONST -Wgnu-imaginary-constant
12 // %clang_cc1 -fsyntax-only -verify %s -DBINARYLITERAL -Wgnu-binary-literal
13 // %clang_cc1 -fsyntax-only -verify %s -DLINE0 -Wgnu-zero-line-directive
14
15 #if NONE
16 // expected-no-diagnostics
17 #endif
18
19
20 #if ALL || ZEROARGS
21 // expected-warning@+9 {{must specify at least one argument for '...' parameter of variadic macro}}
22 // expected-note@+4 {{macro 'efoo' defined here}}
23 // expected-warning@+3 {{token pasting of ',' and __VA_ARGS__ is a GNU extension}}
24 #endif
25
26 #define efoo(format, args...) foo(format , ##args)
27
foo(const char * c)28 void foo( const char* c )
29 {
30 efoo("6");
31 }
32
33
34 #if ALL || IMAGINARYCONST
35 // expected-warning@+3 {{imaginary constants are a GNU extension}}
36 #endif
37
38 float _Complex c = 1.if;
39
40
41 #if ALL || BINARYLITERAL
42 // expected-warning@+3 {{binary integer literals are a GNU extension}}
43 #endif
44
45 int b = 0b0101;
46
47
48 // This case is handled differently because lit has a bug whereby #line 0 is reported to be on line 4294967295
49 // http://llvm.org/bugs/show_bug.cgi?id=16952
50 #if ALL || LINE0
51 #line 0 // expected-warning {{#line directive with zero argument is a GNU extension}}
52 #else
53 #line 0
54 #endif
55
56 // WARNING: Do not add more tests after the #line 0 line! Add them before the LINE0 test
57