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a024740d | 1 | // { dg-do compile } |
53279c10 | 2 | |
7adcbafe | 3 | // Copyright (C) 2007-2022 Free Software Foundation, Inc. |
53279c10 JQ |
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 | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
53279c10 JQ |
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 | ||
16 | // You should have received a copy of the GNU General Public License along | |
748086b7 JJ |
17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
53279c10 | 19 | |
a024740d | 20 | #include <tr1/functional> |
53279c10 | 21 | |
23cac885 | 22 | void test01() |
53279c10 | 23 | { |
23cac885 | 24 | // Check for required base class. |
a024740d BK |
25 | typedef long value_type; |
26 | typedef std::tr1::hash<value_type> test_type; | |
27 | typedef std::unary_function<value_type, std::size_t> base_type; | |
f92ab29f | 28 | |
a024740d BK |
29 | test_type b; |
30 | const test_type& obj = b; | |
11f10e6b | 31 | const base_type* base __attribute__((unused)) = &obj; |
53279c10 | 32 | } |