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7adcbafe | 1 | // Copyright (C) 2018-2022 Free Software Foundation, Inc. |
0321d9fa JW |
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 | #include <vector> | |
21 | ||
22 | template <typename T> | |
23 | struct Alloc | |
24 | { | |
25 | using value_type = T; | |
26 | ||
27 | T* allocate(unsigned n); | |
28 | void deallocate(T* p, unsigned n); | |
29 | ||
30 | Alloc(int) { } | |
31 | ||
32 | template<typename U> | |
33 | Alloc(const Alloc<U>&) { } | |
34 | }; | |
35 | ||
36 | template<typename T, typename U> | |
37 | bool operator==(Alloc<T>, Alloc<U>) { return true; } | |
38 | template<typename T, typename U> | |
39 | bool operator!=(Alloc<T>, Alloc<U>) { return false; } | |
40 | ||
41 | constexpr bool b | |
42 | = std::is_default_constructible<std::vector<int, Alloc<int>>>::value; |