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// { dg-options -std=c++0x }

namespace std { template  T&& declval(); }

template

  class is_constructible_mini

  {

    typedef char __one;

    typedef struct { char __arr[2]; } __two;

    template

      static decltype(::new _Tp1(std::declval<_Args1>()...), __one())

      __test(int);

    template

      static __two __test(...);

  public:

    static const bool value = sizeof(__test<_Tp, _Args...>(0)) == 1;

  };

/*

template

  class is_constructible_mini<_Tp>

  {

    typedef char __one;

    typedef struct { char __arr[2]; } __two;

    template

      static decltype(::new _Tp1, __one()) __test(int);

    template

      static __two __test(...);

  public:

    static const bool value

    = sizeof(__test::type>(0)) == 1;

  };

*/

struct A

{

  A(int);

};

struct B { };

static_assert( is_constructible_mini::value, "");

static_assert( is_constructible_mini::value, "");

static_assert( !is_constructible_mini::value, "");

static_assert( !is_constructible_mini::value, "");  // doesn't compile without the

                                                       // partial specialization

static_assert( is_constructible_mini::value, "");

static_assert( is_constructible_mini::value, "");