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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
// <mutex>
// This test does not define _LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS so it
// should compile without any warnings or errors even though this pattern is not
// understood by the thread safety annotations.
#include <mutex>
#include "test_macros.h"
int main(int, char**) {
std::mutex m;
m.lock();
{
std::unique_lock<std::mutex> g(m, std::adopt_lock);
}
return 0;
}