libstdc++-v3/testsuite/25_algorithms/lower_bound/no_operator_ne.cc

   1 // { dg-do compile }
   2 // Copyright (C) 2000-2018 Free Software Foundation, Inc.
   3 //
   4 // This file is part of the GNU ISO C++ Library.  This library is free
   5 // software; you can redistribute it and/or modify it under the
   6 // terms of the GNU General Public License as published by the
   7 // Free Software Foundation; either version 3, or (at your option)
   8 // any later version.
   9
  10 // This library is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14
  15 // You should have received a copy of the GNU General Public License along
  16 // with this library; see the file COPYING3.  If not see
  17 // <http://www.gnu.org/licenses/>.
  18
  19 #include <algorithm>
  20 #include <testsuite_hooks.h>
  21
  22 // http://gcc.gnu.org/ml/libstdc++/2000-06/msg00316.html
  23 struct foo { };
  24
  25 bool operator== (const foo&, const foo&) { return true; }
  26 bool operator< (const foo&, const foo&) { return true; }
  27
  28 void bar(foo* a, foo* b, foo& x)
  29 {
  30   foo* c __attribute__((unused)) = std::lower_bound(a, b, x);
  31 }