4684ddb6aa
- import libcxx - reduce targets to the one when compiled as a tools Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496
31 lines
714 B
C++
31 lines
714 B
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
|
// Source Licenses. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <atomic>
|
|
|
|
// struct atomic_flag
|
|
|
|
// atomic_flag() = default;
|
|
|
|
#include <atomic>
|
|
#include <new>
|
|
#include <cassert>
|
|
|
|
int main()
|
|
{
|
|
std::atomic_flag f;
|
|
|
|
{
|
|
typedef std::atomic_flag A;
|
|
_ALIGNAS_TYPE(A) char storage[sizeof(A)] = {1};
|
|
A& zero = *new (storage) A();
|
|
assert(!zero.test_and_set());
|
|
zero.~A();
|
|
}
|
|
}
|