| void no_coroutine_traits() { | |
| co_await 4; // { dg-error {coroutines require a traits template\; cannot find 'std::coroutine_traits'} } | |
| } | |
| // check we have not messed up continuation of the compilation. | |
| template <class... Args> | |
| struct void_t_imp { | |
| using type = void; | |
| }; |