1  /* PR c++/67863 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-Wtautological-compare" } */
       4  
       5  extern int e;
       6  #define A (e ? 4 : 8)
       7  #define B (e ? 4 : 8)
       8  
       9  int
      10  fn (void)
      11  {
      12    if (A <= B)
      13      return 1;
      14    return 0;
      15  }