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) 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 // Arbitrary feature to test that the extension name can be surrounded with 40 // double underscores. 41 // CHECK-PED-NONE: has_double_underscores 42 #if __has_extension(__c_alignas__) 43 int has_double_underscores(); 44 #endif 45
