C++程序  |  23行  |  495 B

//===----------------------------------------------------------------------===//
//
//                     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: newlib

// <cfenv>

#include <cfenv>

#ifndef _LIBCPP_VERSION
#error _LIBCPP_VERSION not defined
#endif

int main()
{
}