libstdc++-v3/testsuite/29_atomics/atomic/60695.cc

   1 // { dg-do compile { target c++11 } }
   2 // { dg-require-atomic-builtins "" }
   3 // { dg-options "-Wno-pedantic" }
   4
   5 // Copyright (C) 2014-2016 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 #include <atomic>
  23
  24 // libstdc++/60695
  25
  26 struct X {
  27   char stuff[0]; // GNU extension, type has zero size
  28 };
  29
  30 std::atomic<X> a;  // { dg-error "not supported" "" { target *-*-* } 190 }