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47df7e19 | 1 | // { dg-do compile { target c++17 } } |
a181f672 | 2 | |
83ffe9cd | 3 | // Copyright (C) 2016-2023 Free Software Foundation, Inc. |
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4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
8 | // Free Software Foundation; either version 3, or (at your option) | |
9 | // any later version. | |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
c7cbb4da | 16 | // You should have received a copy of the GNU General Public License along |
a181f672 VV |
17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
19 | ||
20 | #include <optional> | |
21 | #include <testsuite_hooks.h> | |
22 | ||
23 | struct Y | |
24 | { | |
25 | constexpr int test() & {return 7;} | |
26 | }; | |
27 | ||
28 | constexpr int | |
29 | test() | |
30 | { | |
31 | std::optional<Y> opt{Y{}}; | |
32 | return opt.value().test(); | |
33 | } | |
34 | ||
35 | int main() | |
36 | { | |
37 | static_assert(test()); | |
38 | } |