1 // Copyright (C) 2008-2018 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 // NB: This issue affected only debug-mode.
19 
20 // { dg-do compile }
21 
22 // libstdc++/34730
23 
24 #include <string>
25 #include <vector>
26 #include <algorithm>
27 
28 using namespace std;
29 
30 typedef pair<int, string> intstring;
31 
32 struct intstrcmp
33 {
34   bool
operator ()intstrcmp35   operator()(const string& x, const intstring& y) const
36   { return x < y.second; }
37 
38   bool
operator ()intstrcmp39   operator()(const intstring& x, const string& y) const
40   { return x.second < y; }
41 };
42 
test01()43 void test01()
44 {
45   vector<string> vec1;
46   vector<intstring> vec2;
47   vector<intstring> vec3;
48   set_intersection(vec2.begin(), vec2.end(),
49 		   vec1.begin(), vec1.end(),
50 		   back_inserter(vec3), intstrcmp());
51 }
52