/* This testcase is part of GDB, the GNU debugger. Copyright 2018-2019 Free Software Foundation, Inc. This program 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 of the License, or (at your option) any later version. This program 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 program. If not, see . */ class A { typedef A type; public: bool operator==(const type& other) { return true; } static const type INSTANCE; }; const A A::INSTANCE = {}; int main() { A a; if (a == A::INSTANCE) { return -1; } return 0; }