has_extension.c revision fd5f6866a7574f12ecac5cceb7359ff253f83145 
1// RUN: %clang_cc1 -E %s -o - | FileCheck --check-prefix=CHECK-PED-NONE %s
2// RUN: %clang_cc1 -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)
6int 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)
12int 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)
18int has_c_static_assert();
19#else
20int 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)
26int has_c_generic_selections();
27#else
28int 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)
34int has_c_alignas();
35#else
36int no_c_alignas();
37#endif
38
39