| // PR c++/48581 | |
| // { dg-do compile { target c++11 } } | |
| template<class T> | |
| T&& create(); | |
| template<class T, | |
| class = decltype(foo(create<T>())) | |
| > | |
| auto f(int) -> char; | |
| template<class> | |
| auto f(...) -> char (&)[2]; | |
| struct S {}; | |
| void foo(S); | |
| static_assert(sizeof(f<S>(0)) == 1, "Error"); // (#) | |
| int main() {} |