1 // Copyright (C) 2016-2018 Free Software Foundation, Inc. 2 // 3 // This file is part of the GNU ISO C++ Library. This library is free 4 // software; you can redistribute it and/or modify it under the 5 // terms of the GNU General Public License as published by the 6 // Free Software Foundation; either version 3, or (at your option) 7 // any later version. 8 9 // This library is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 14 // You should have received a copy of the GNU General Public License along 15 // with this library; see the file COPYING3. If not see 16 // <http://www.gnu.org/licenses/>. 17 18 // { dg-do compile { target c++11 } } 19 20 // PR libstdc++/69114 21 22 #include <scoped_allocator> 23 24 template<typename T> 25 struct Alloc 26 { 27 using value_type = T; 28 29 Alloc() = default; 30 31 template<typename U> AllocAlloc32 Alloc(const Alloc<U>&) { } 33 34 T* allocate(std::size_t); 35 void deallocate(T*, std::size_t); 36 operator ==Alloc37 bool operator==(const Alloc&) const { return true; } operator !=Alloc38 bool operator!=(const Alloc&) const { return false; } 39 40 void operator&() = delete; 41 }; 42 43 void test01()44test01() 45 { 46 using alloc_type = Alloc<std::pair<int, int>>; 47 std::scoped_allocator_adaptor<alloc_type> a; 48 a.construct(a.allocate(1)); 49 } 50