text: //===----------------------------------------------------------------------===//
  //
  //                     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.
  //
  //===----------------------------------------------------------------------===//
  
  // test ratio_subtract
  
  #include <ratio>
  
  int main()
  {
      typedef std::ratio<-0x7FFFFFFFFFFFFFFFLL, 1> R1;
      typedef std::ratio<1, 1> R2;
      typedef std::ratio_subtract<R1, R2>::type R;
  }
  