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 &)30comp(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()37void test01() 38 { 39 std::find_first_of(&a, &a, &b, &b, comp); 40 } 41 main()42int main() 43 { 44 test01(); 45 return 0; 46 } 47