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// { dg-options "-std=gnu++0x" }

// { dg-do compile }

// Copyright (C) 2011 Free Software Foundation, Inc.

//

// This file is part of the GNU ISO C++ Library.  This library is free

// software; you can redistribute it and/or modify it under the

// terms of the GNU General Public License as published by the

// Free Software Foundation; either version 3, or (at your option)

// any later version.

//

// This library is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License along

// with this library; see the file COPYING3.  If not see

// <http://www.gnu.org/licenses/>.

#include <type_traits>

struct A { };

struct B : A { };

// libstdc++/51185

void f()

{

  static_assert(!std::is_constructible<B &&, A>(), "");

  static_assert(!std::is_constructible<B const &&, A>(), "");

  static_assert(!std::is_constructible<B const &&, A const>(), "");

  static_assert(!std::is_constructible<B volatile &&, A>(), "");

  static_assert(!std::is_constructible<B volatile &&, A volatile>(), "");

  static_assert(!std::is_constructible<B const volatile &&, A>(), "");

  static_assert(!std::is_constructible<B const volatile &&, A const>(), "");

  static_assert(!std::is_constructible<B const volatile &&, A volatile>(), "");

  static_assert(!std::is_constructible<B const volatile &&,

                A const volatile>(), "");

}