libstdc++-v3/testsuite/29_atomics/atomic/65913.cc

// Copyright (C) 2015-2021 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
// <http://www.gnu.org/licenses/>.

// { dg-do run { target c++11 } }
// { dg-require-atomic-builtins "" }
// { dg-options "-O0" }

#include <atomic>
#include <testsuite_hooks.h>

// PR libstdc++/65913

void
test01()
{
  struct Int { int i; };
  VERIFY( std::atomic<Int>{}.is_lock_free() );
  VERIFY( std::atomic<int>{}.is_lock_free() );
  VERIFY( std::atomic<int*>{}.is_lock_free() );
}

int
main()
{
  test01();
}