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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: libcpp-has-no-threads
// UNSUPPORTED: c++98, c++03
// <barrier>
#include <barrier>
#include "test_macros.h"
int main(int, char**)
{
std::barrier<> b(2);
std::thread t([&](){
b.arrive_and_drop();
});
b.arrive_and_wait();
b.arrive_and_wait();
t.join();
return 0;
}
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