| // PR c++/52422 | |
| // { dg-do compile { target c++11 } } | |
| template<class T> | |
| struct add_rval_ref | |
| { | |
| typedef T&& type; | |
| }; | |
| template<> | |
| struct add_rval_ref<void> | |
| { | |
| typedef void type; | |
| }; | |
| template<class T> | |
| typename add_rval_ref<T>::type create(); | |
| template<class T, | |
| class = decltype(create<T>()()) | |
| > | |
| auto f(int) -> char(&)[1]; | |
| template<class> | |
| auto f(...) -> char(&)[2]; | |
| static_assert(sizeof(f<void>(0)) != 1, ""); |