1// { dg-do compile }
2// { dg-options "-std=gnu++11" }
3
4// Copyright (C) 2013-2015 Free Software Foundation, Inc.
5//
6// This file is part of the GNU ISO C++ Library.  This library is free
7// software; you can redistribute it and/or modify it under the
8// terms of the GNU General Public License as published by the
9// Free Software Foundation; either version 3, or (at your option)
10// any later version.
11//
12// This library is distributed in the hope that it will be useful,
13// but WITHOUT ANY WARRANTY; without even the implied warranty of
14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15// GNU General Public License for more details.
16//
17// You should have received a copy of the GNU General Public License along
18// with this library; see the file COPYING3.  If not see
19// <http://www.gnu.org/licenses/>.
20
21#include <memory>
22#include <utility>
23#include <vector>
24#include <iterator>
25
26template <class T>
27struct MyAllocator
28{
29  std::allocator<T> base;
30  typedef T value_type;
31  MyAllocator() = default;
32  template <class U>
33  MyAllocator(const MyAllocator<U>& other) : base(other.base) {}
34  T* allocate(std::size_t n) { return base.allocate(n); }
35  void deallocate(T* p, std::size_t n) { return base.deallocate(p, n); }
36  template <class U, class... Args>
37  void construct(U* p, Args&&... args)
38  {
39    ::new (static_cast<void*>(p)) U(std::forward<Args>(args)...);
40  }
41};
42
43struct A
44{
45private:
46  friend class MyAllocator<A>;
47  A(int value) : value(value) {}
48  int value;
49public:
50  A() : value() {}
51  int get() const { return value; }
52};
53
54void foo()
55{
56  std::vector<A, MyAllocator<A>> v1;
57  const int i = 1;
58  v1.emplace_back(i); // OK
59  std::vector<A, MyAllocator<A>> v2(std::istream_iterator<int>(), {}); // ERROR
60}
61