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1 | // Copyright (C) 2017-2020 Free Software Foundation, Inc. | |
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++17" } | |
19 | // { dg-do compile { target c++17 } } | |
20 | ||
21 | // PR libstdc++/78939 | |
22 | ||
23 | #include <utility> | |
24 | ||
25 | struct A { int i, j; }; | |
26 | ||
27 | int | |
28 | test01() | |
29 | { | |
30 | A a{}; | |
31 | const auto [i, j] = a; | |
32 | return i + j; | |
33 | } | |
34 | ||
35 | int | |
36 | test02() | |
37 | { | |
38 | A a{}; | |
39 | volatile auto [i, j] = a; | |
40 | return i + j; | |
41 | } | |
42 | ||
43 | int | |
44 | test03() | |
45 | { | |
46 | A a{}; | |
47 | const volatile auto [i, j] = a; | |
48 | return i + j; | |
49 | } |