libstdc++-v3/testsuite/29_atomics/atomic_flag/requirements/standard_layout.cc

   1 // { dg-options "-std=gnu++0x" }
   2
   3 // Copyright (C) 2008 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 2, 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 COPYING.  If not, write to the Free
  18 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  19 // USA.
  20
  21 // As a special exception, you may use this file as part of a free software
  22 // library without restriction.  Specifically, if other files instantiate
  23 // templates or use macros or inline functions from this file, or you compile
  24 // this file and link it with other files to produce an executable, this
  25 // file does not by itself cause the resulting executable to be covered by
  26 // the GNU General Public License.  This exception does not however
  27 // invalidate any other reasons why the executable file might be covered by
  28 // the GNU General Public License.
  29
  30 #include <cstdatomic>
  31 #include <type_traits>
  32 #include <testsuite_hooks.h>
  33
  34 int main()
  35 {
  36   bool test __attribute__((unused)) = true;
  37
  38   typedef std::atomic_flag test_type;
  39
  40   // libstdc++/37907
  41   // VERIFY( std::is_standard_layout<test_type>::value );
  42
  43   VERIFY( std::has_trivial_default_constructor<test_type>::value );
  44   VERIFY( std::has_trivial_destructor<test_type>::value );
  45
  46   return 0;
  47 }