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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: c++03, c++11
// <shared_mutex>
// template <class Mutex> class shared_lock;
// shared_lock(shared_lock const&) = delete;
#include <shared_mutex>
std::shared_timed_mutex m;
int main(int, char**)
{
std::shared_lock<std::shared_timed_mutex> lk0(m);
std::shared_lock<std::shared_timed_mutex> lk = lk0;
return 0;
}
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