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a5544970 | 1 | // Copyright (C) 2017-2019 Free Software Foundation, Inc. |
8d85abab 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 } | |
19 | ||
20 | #include <algorithm> | |
21 | ||
22 | void | |
23 | test01(int* first, int* last) | |
24 | { | |
25 | extern bool cmp(int, int); | |
26 | // PR libstdc++/80064 | |
27 | // This is undefined, because [alg.sorting] requires the template argument | |
28 | // Compare to be a function object type, and bool(int, int) is not an | |
29 | // object type. We previously accepted it by accident, so keep doing so. | |
30 | std::make_heap<int*, bool(int, int)>(first, last, cmp); | |
31 | } |