1 // { dg-do compile { target c++11 } }
2 
3 // Copyright (C) 2010-2018 Free Software Foundation, Inc.
4 //
5 // This file is part of the GNU ISO C++ Library.  This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
9 // any later version.
10 
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 // GNU General Public License for more details.
15 
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3.  If not see
18 // <http://www.gnu.org/licenses/>.
19 
20 // 20.9.11.2 Class template shared_ptr [util.smartptr.shared]
21 
22 #include <memory>
23 
24 // libstdc++/42925 (also see GB 99)
test01()25 void test01()
26 {
27   std::shared_ptr<int> ptr;
28   if (ptr == 0)
29     { }
30   if (0 == ptr)
31     { }
32   if (ptr != 0)
33     { }
34   if (0 != ptr)
35     { }
36 }
37