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83ffe9cd | 1 | // Copyright (C) 2020-2023 Free Software Foundation, Inc. |
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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 | ||
d4ac20b0 | 18 | // { dg-do compile { target c++20 } } |
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19 | |
20 | #include <iterator> | |
21 | #include <ranges> | |
22 | ||
23 | // Verify we optimize away the 'end' data member of a subrange with an empty | |
24 | // sentinel type. | |
25 | static_assert(sizeof(std::ranges::subrange<std::counted_iterator<int*>, | |
26 | std::default_sentinel_t>) | |
27 | == sizeof(std::counted_iterator<int*>)); |