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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();
}