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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <thread>
// #define __STDCPP_THREADS __cplusplus
#include <thread>
int main()
{
#ifndef __STDCPP_THREADS
#error __STDCPP_THREADS is not defined
#endif
}