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// { dg-do compile }
// { dg-options "-std=gnu++11" }
// Copyright (C) 2013 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 <utility>
#include <vector>
#include <iterator>
template <class T>
struct MyAllocator
{
std::allocator<T> base;
typedef T value_type;
MyAllocator() = default;
template <class U>
MyAllocator(const MyAllocator<U>& other) : base(other.base) {}
T* allocate(std::size_t n) { return base.allocate(n); }
void deallocate(T* p, std::size_t n) { return base.deallocate(p, n); }
template <class U, class... Args>
void construct(U* p, Args&&... args)
{
::new (static_cast<void*>(p)) U(std::forward<Args>(args)...);
}
};
struct A
{
private:
friend class MyAllocator<A>;
A(int value) : value(value) {}
int value;
public:
A() : value() {}
int get() const { return value; }
};
void foo()
{
std::vector<A, MyAllocator<A>> v1;
const int i = 1;
v1.emplace_back(i); // OK
std::vector<A, MyAllocator<A>> v2(std::istream_iterator<int>(), {}); // ERROR
}
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