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// { dg-options "-std=gnu++0x" }
 
// Copyright (C) 2011 Free Software Foundation
//
// 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 <memory>
#include <testsuite_hooks.h>
 
struct Deleter
{
  Deleter() = default;
  Deleter(const Deleter&) = default;
  Deleter(Deleter&&) = default;
 
  Deleter&
  operator=(const Deleter&)
  {
    bool test __attribute__((unused)) = true;
    VERIFY( true );
    return *this;
  }
 
  Deleter&
  operator=(Deleter&&)
  {
    bool test __attribute__((unused)) = true;
    VERIFY( false );
    return *this;
  }
 
  template<class T>
    void
    operator()(T*) const { }
};
 
struct DDeleter : Deleter { };
 
// libstdc++/48635
void test01()
{
  Deleter d;
 
  std::unique_ptr<int, Deleter&> p1(nullptr, d), p2(nullptr, d);
  p2 = std::move(p1);
 
  DDeleter dd;
 
  std::unique_ptr<int, DDeleter&> p1t(nullptr, dd);
  std::unique_ptr<int, Deleter&> p2t(nullptr, d);
  p2t = std::move(p1t);
 
  std::unique_ptr<int[], Deleter&> p1a(nullptr, d), p2a(nullptr, d);
  p2a = std::move(p1a);
 
  std::unique_ptr<int[], DDeleter&> p1at(nullptr, dd);
  std::unique_ptr<int[], Deleter&> p2at(nullptr, d);
  p2at = std::move(p1at);
}
 
int main()
{
  test01();
  return 0;
}