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8d9254fc | 1 | // Copyright (C) 2019-2020 Free Software Foundation, Inc. |
b5c433ce 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-options "-std=gnu++2a" } | |
19 | // { dg-do run { xfail c++2a } } | |
20 | ||
b112e3cb | 21 | #undef _GLIBCXX_ASSERTIONS |
b5c433ce JW |
22 | #define _GLIBCXX_ASSERTIONS |
23 | #include <span> | |
24 | ||
25 | int main() | |
26 | { | |
27 | std::span<int, std::dynamic_extent> s; | |
28 | s.front(); | |
29 | } |