| // PR c++/50157 | |
| // { dg-do compile { target c++11 } } | |
| template<class T> | |
| T val(); | |
| template<class T, class Arg, class = | |
| decltype(::new T(val<Arg>())) | |
| > | |
| auto test(int) -> char; | |
| template<class, class> | |
| auto test(...) -> char (&)[2]; | |
| struct P { | |
| explicit operator bool(); // (#13) | |
| }; | |
| typedef decltype(test<bool, P>(0)) type; // OK | |
| typedef decltype(test<float, P>(0)) type2; // Error (#17) |