1  /* PR c/79515 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-Wdouble-promotion" } */
       4  
       5  extern _Decimal64 x;
       6  extern int i;
       7  
       8  void
       9  foo (void)
      10  {
      11    if (x <= 2.0) /* { dg-error "mix operands" } */
      12      i++;
      13  }