1 | // RUN: %clang_cc1 -std=c99 -E %s -o - | FileCheck --check-prefix=CHECK-PED-NONE %s |
2 | // RUN: %clang_cc1 -std=c99 -pedantic-errors -E %s -o - | FileCheck --check-prefix=CHECK-PED-ERR %s |
3 | |
4 | // CHECK-PED-NONE: no_dummy_extension |
5 | #if !__has_extension(dummy_extension) |
6 | int no_dummy_extension(); |
7 | #endif |
8 | |
9 | // Arbitrary feature to test that has_extension is a superset of has_feature |
10 | // CHECK-PED-NONE: attribute_overloadable |
11 | #if __has_extension(attribute_overloadable) |
12 | int attribute_overloadable(); |
13 | #endif |
14 | |
15 | // CHECK-PED-NONE: has_c_static_assert |
16 | // CHECK-PED-ERR: no_c_static_assert |
17 | #if __has_extension(c_static_assert) |
18 | int has_c_static_assert(); |
19 | #else |
20 | int no_c_static_assert(); |
21 | #endif |
22 | |
23 | // CHECK-PED-NONE: has_c_generic_selections |
24 | // CHECK-PED-ERR: no_c_generic_selections |
25 | #if __has_extension(c_generic_selections) |
26 | int has_c_generic_selections(); |
27 | #else |
28 | int no_c_generic_selections(); |
29 | #endif |
30 | |
31 | // CHECK-PED-NONE: has_c_alignas |
32 | // CHECK-PED-ERR: no_c_alignas |
33 | #if __has_extension(c_alignas) |
34 | int has_c_alignas(); |
35 | #else |
36 | int no_c_alignas(); |
37 | #endif |
38 | |
39 | // CHECK-PED-NONE: has_c_alignof |
40 | // CHECK-PED-ERR: no_c_alignof |
41 | #if __has_extension(c_alignof) |
42 | int has_c_alignof(); |
43 | #else |
44 | int no_c_alignof(); |
45 | #endif |
46 | |
47 | // Arbitrary feature to test that the extension name can be surrounded with |
48 | // double underscores. |
49 | // CHECK-PED-NONE: has_double_underscores |
50 | #if __has_extension(__c_alignas__) |
51 | int has_double_underscores(); |
52 | #endif |
53 | |