// { dg-do compile } // Copyright (C) 2000, 2003, 2009 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING3. If not see // . #include #include // http://gcc.gnu.org/ml/libstdc++/2000-06/msg00316.html struct foo { }; bool operator== (const foo&, const foo&) { return true; }; bool operator< (const foo&, const foo&) { return true; }; void bar(foo* a, foo* b, foo& x) { foo* c __attribute__((unused)) = std::lower_bound(a, b, x); }