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1 // RUN: %clang_cc1 -fcxx-exceptions -fexceptions -fsyntax-only -verify -std=c++11 %s
2 
foo(int i)3 void foo(int i) {
4 
5   [[unknown_attribute]] ; // expected-warning {{unknown attribute 'unknown_attribute' ignored}}
6   [[unknown_attribute]] { } // expected-warning {{unknown attribute 'unknown_attribute' ignored}}
7   [[unknown_attribute]] if (0) { } // expected-warning {{unknown attribute 'unknown_attribute' ignored}}
8   [[unknown_attribute]] for (;;); // expected-warning {{unknown attribute 'unknown_attribute' ignored}}
9   [[unknown_attribute]] do { // expected-warning {{unknown attribute 'unknown_attribute' ignored}}
10     [[unknown_attribute]] continue; // expected-warning {{unknown attribute 'unknown_attribute' ignored}}
11   } while (0);
12   [[unknown_attribute]] while (0); // expected-warning {{unknown attribute 'unknown_attribute' ignored}}
13 
14   [[unknown_attribute]] switch (i) { // expected-warning {{unknown attribute 'unknown_attribute' ignored}}
15     [[unknown_attribute]] case 0: // expected-warning {{unknown attribute 'unknown_attribute' ignored}}
16     [[unknown_attribute]] default: // expected-warning {{unknown attribute 'unknown_attribute' ignored}}
17       [[unknown_attribute]] break; // expected-warning {{unknown attribute 'unknown_attribute' ignored}}
18   }
19 
20   [[unknown_attribute]] goto here; // expected-warning {{unknown attribute 'unknown_attribute' ignored}}
21   [[unknown_attribute]] here: // expected-warning {{unknown attribute 'unknown_attribute' ignored}}
22 
23   [[unknown_attribute]] try { // expected-warning {{unknown attribute 'unknown_attribute' ignored}}
24   } catch (...) {
25   }
26 
27   [[unknown_attribute]] return; // expected-warning {{unknown attribute 'unknown_attribute' ignored}}
28 
29 
30   alignas(8) ; // expected-error {{'alignas' attribute cannot be applied to a statement}}
31   [[noreturn]] { } // expected-error {{'noreturn' attribute cannot be applied to a statement}}
32   [[noreturn]] if (0) { } // expected-error {{'noreturn' attribute cannot be applied to a statement}}
33   [[noreturn]] for (;;); // expected-error {{'noreturn' attribute cannot be applied to a statement}}
34   [[noreturn]] do { // expected-error {{'noreturn' attribute cannot be applied to a statement}}
35     [[unavailable]] continue; // expected-warning {{unknown attribute 'unavailable' ignored}}
36   } while (0);
37   [[unknown_attributqqq]] while (0); // expected-warning {{unknown attribute 'unknown_attributqqq' ignored}}
38 	// TODO: remove 'qqq' part and enjoy 'empty loop body' warning here (DiagnoseEmptyLoopBody)
39 
40   [[unknown_attribute]] while (0); // expected-warning {{unknown attribute 'unknown_attribute' ignored}}
41 
42   [[unused]] switch (i) { // expected-warning {{unknown attribute 'unused' ignored}}
43     [[uuid]] case 0: // expected-warning {{unknown attribute 'uuid' ignored}}
44     [[visibility]] default: // expected-warning {{unknown attribute 'visibility' ignored}}
45       [[carries_dependency]] break; // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
46   }
47 
48   [[fastcall]] goto there; // expected-warning {{unknown attribute 'fastcall' ignored}}
49   [[noinline]] there: // expected-warning {{unknown attribute 'noinline' ignored}}
50 
51   [[lock_returned]] try { // expected-warning {{unknown attribute 'lock_returned' ignored}}
52   } catch (...) {
53   }
54 
55   [[weakref]] return; // expected-warning {{unknown attribute 'weakref' ignored}}
56 
57   [[carries_dependency]] ; // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
58   [[carries_dependency]] { } // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
59   [[carries_dependency]] if (0) { } // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
60   [[carries_dependency]] for (;;); // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
61   [[carries_dependency]] do { // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
62     [[carries_dependency]] continue; // expected-error {{'carries_dependency' attribute cannot be applied to a statement}} ignored}}
63   } while (0);
64   [[carries_dependency]] while (0); // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
65 
66   [[carries_dependency]] switch (i) { // expected-error {{'carries_dependency' attribute cannot be applied to a statement}} ignored}}
67     [[carries_dependency]] case 0: // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
68     [[carries_dependency]] default: // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
69       [[carries_dependency]] break; // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
70   }
71 
72   [[carries_dependency]] goto here; // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
73 
74   [[carries_dependency]] try { // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
75   } catch (...) {
76   }
77 
78   [[carries_dependency]] return; // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
79 
80   {
81     [[ ]] // expected-error {{an attribute list cannot appear here}}
82 #pragma STDC FP_CONTRACT ON // expected-error {{can only appear at file scope or at the start of a compound statement}}
83   }
84 }
85