| 1 | // RUN: %clang_cc1 -std=c++2a -include %s -verify %s |
| 2 | // RUN: %clang_cc1 -std=c++2a -emit-pch %s -o %t |
| 3 | // RUN: %clang_cc1 -std=c++2a -include-pch %t -verify %s -DPCH |
| 4 | |
| 5 | #ifndef HEADER |
| 6 | #define HEADER |
| 7 | |
| 8 | struct S { |
| 9 | unsigned int n : 5 = 49; // expected-warning {{changes value}} |
| 10 | }; |
| 11 | |
| 12 | int a; |
| 13 | template<bool B> struct T { |
| 14 | int m : B ? 8 : a = 42; |
| 15 | }; |
| 16 | |
| 17 | #else |
| 18 | |
| 19 | // expected-error@-5 {{constant expression}} expected-note@-5 {{cannot modify}} |
| 20 | |
| 21 | static_assert(S().n == 17); |
| 22 | static_assert(T<true>().m == 0); |
| 23 | int q = T<false>().m; // expected-note {{instantiation of}} |
| 24 | |
| 25 | #endif |
| 26 | |