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83ffe9cd | 1 | // Copyright (C) 2018-2023 Free Software Foundation, Inc. |
36eec25a 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 | ||
8087e702 | 18 | // { dg-options "-Wnonnull" } |
36eec25a JW |
19 | // { dg-do compile { target c++17 } } |
20 | ||
21 | #include <string_view> | |
22 | ||
23 | int | |
24 | test01() | |
25 | { | |
26 | std::string_view s = "abcd"; | |
8461191b MS |
27 | return s.rfind((const char*)nullptr); // { dg-warning "\\\[-Wnonnull" } |
28 | return s.rfind((const char*)nullptr, 1); // { dg-warning "\\\[-Wnonnull" } | |
36eec25a | 29 | } |
13feb023 JW |
30 | |
31 | // Ignore additional diagnostic given with -Wsystem-headers: | |
32 | // { dg-prune-output "argument . null where non-null expected" } |