// { dg-require-atomic-builtins "" } // { dg-options "-std=gnu++11" } // { dg-do compile } // Copyright (C) 2014-2016 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library 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, or (at your option) // any later version. // This library 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 library; see the file COPYING3. If not see // . #include // libstdc++/60695 struct X { char stuff[0]; // GNU extension, type has zero size }; std::atomic a; // { dg-error "not supported" "" { target *-*-* } 181 }