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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: no-threads
// UNSUPPORTED: c++03, c++11
// XFAIL: availability-synchronization_library-missing
// <latch>
#include <latch>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
std::latch l(1);
l.count_down();
bool const b = l.try_wait();
assert(b);
return 0;
}
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