1 // Copyright (C) 2011-2020 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 
19 // { dg-do compile { target c++11 } }
20 
21 #include <set>
22 
23 struct X
24 {
25   template<typename T>
XX26   X(T&) {}
27 };
28 
operator <(const X &,const X &)29 bool operator<(const X&, const X&) { return false; }
30 
31 // LWG 2059.
erasor(std::set<X> & s,X x)32 void erasor(std::set<X>& s, X x)
33 {
34   std::set<X>::iterator it = s.find(x);
35   if (it != s.end())
36     s.erase(it);
37 }
38