| // PR c++/48535 | |
| // { dg-do compile { target c++11 } } | |
| template<class T, | |
| class = decltype(T{}) | |
| > | |
| char f(int); | |
| template<class> | |
| char (&f(...))[2]; | |
| struct A { virtual ~A() = 0; }; | |
| static_assert(sizeof(f<A>(0)) != 1, "Error"); // (a) | |
| static_assert(sizeof(f<void()>(0)) != 1, "Error"); // (b) | |
| static_assert(sizeof(f<int&>(0)) != 1, "Error"); // (d) | |
| static_assert(sizeof(f<const int&>(0)) == 1, "Error"); // (e) | |
| static_assert(sizeof(f<int[]>(0)) != 1, "Error"); // (f) |