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//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, 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()
{
std::shared_lock<std::shared_timed_mutex> lk0(m);
std::shared_lock<std::shared_timed_mutex> lk = lk0;
}
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