libcxx/test/std/thread/thread.mutex/thread.once/thread.once.onceflag/copy.fail.cpp


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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.
//
//===----------------------------------------------------------------------===//

// <mutex>

// struct once_flag;

// once_flag(const once_flag&) = delete;

#include <mutex>

int main()
{
    std::once_flag f;
    std::once_flag f2(f);
}