| // Copyright (C) 2017-2021 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/>. |
| |
| // { dg-do compile } |
| |
| #include <algorithm> |
| |
| void |
| test01(int* first, int* last) |
| { |
| extern bool cmp(int, int); |
| // PR libstdc++/80064 |
| // This is undefined, because [alg.sorting] requires the template argument |
| // Compare to be a function object type, and bool(int, int) is not an |
| // object type. We previously accepted it by accident, so keep doing so. |
| std::make_heap<int*, bool(int, int)>(first, last, cmp); |
| } |
