1 // { dg-do compile { target c++11 } }
3 namespace std { template <class T> T&& declval(); }
5 template<typename _Tp, typename... _Args>
6 class is_constructible_mini
9 typedef struct { char __arr[2]; } __two;
11 template<typename _Tp1, typename... _Args1>
12 static decltype(::new _Tp1(std::declval<_Args1>()...), __one())
15 template<typename, typename...>
16 static __two __test(...);
19 static const bool value = sizeof(__test<_Tp, _Args...>(0)) == 1;
22 static_assert( !is_constructible_mini<int[], int>::value, "");
23 static_assert( !is_constructible_mini<void, int>::value, "");