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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: libcpp-has-no-threads

// <thread>

// class thread

// unsigned hardware_concurrency();

#include <thread>
#include <cassert>

int main()
{
    assert(std::thread::hardware_concurrency() > 0);
}
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