1// PR c++/44969
2// { dg-do compile { target c++11 } }
3
4template<typename Tp, typename... Args>
5  class mini_is_constructible
6  {
7    typedef char one;
8    typedef struct { char arr[2]; } two;
9
10    template<typename Tp1, typename... Args1>
11      static decltype(Tp1(Args1()...), one())
12      test(int);
13
14    template<typename, typename...>
15      static two test(...);
16
17  public:
18    static const bool value = sizeof(test<Tp, Args...>(0)) == 1;
19  };
20
21class A { };
22
23int Test[mini_is_constructible<int, A, A>::value ? -1 : 1];
24