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


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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
//
//===----------------------------------------------------------------------===//

// <mutex>

// struct once_flag;

// once_flag& operator=(const once_flag&) = delete;

#include <mutex>

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