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// { dg-do run { target c++11 } }
// { dg-require-effective-target hosted }
// Copyright (C) 2011-2022 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<T>
{
template<typename U>
struct rebind { typedef MyAlloc<U> other; };
MyAlloc() = default;
MyAlloc(const MyAlloc&) = default;
template<typename U>
MyAlloc(const MyAlloc<U>&) { }
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();
}
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