| // RUN: %clang_cc1 -std=c++2a -emit-pch %s -o %t | |
| // RUN: %clang_cc1 -std=c++2a -include-pch %t -verify %s | |
| // expected-no-diagnostics | |
| #ifndef HEADER | |
| #define HEADER | |
| template<typename... T> | |
| concept C = true; | |
| namespace n { | |
| template<typename... T> | |
| concept C = true; | |
| } | |
| void f() { | |
| (void)C<int>; | |
| (void)C<int, void>; | |
| (void)n::C<void>; | |
| } | |
| #else /*included pch*/ | |
| int main() { | |
| (void)C<int>; | |
| (void)C<int, void>; | |
| (void)n::C<void>; | |
| f(); | |
| } | |
| #endif // HEADER |