1 // Copyright (C) 2004-2021 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-do compile }
19 // { dg-options "-D_GLIBCXX_CONCEPT_CHECKS" }
20 
21 #include <algorithm>
22 
23 class class1
24 { };
25 
26 class class2
27 { };
28 
29 bool
comp(class1 &,class2 &)30 comp(class1&, class2&)
31 { return true; }
32 
33 class1 a;
34 class2 b;
35 
36 // http://gcc.gnu.org/ml/libstdc++/2004-10/msg00448.html
test01()37 void test01()
38 {
39   std::find_first_of(&a, &a, &b, &b, comp);
40 }
41 
main()42 int main()
43 {
44   test01();
45   return 0;
46 }
47