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

// 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 <memory>

#include <new>

// The behaviour tested here relies on the resolution of LWG issue 2070

template<typename T> struct MyAlloc;

class Private

{

  Private() = default;

  Private(const Private&) = default;

  ~Private() = default;

  friend class MyAlloc<Private>;

public:

  int get() const { return 0; }

};

template<typename T>

struct MyAlloc : std::allocator<Private>

{

  void construct(T* p) { ::new((void*)p) T(); }

  void destroy(T* p) { p->~T(); }

};

int main()

{

  MyAlloc<Private> a;

  auto p = std::allocate_shared<Private>(a);

  return p->get();

}