gcc/testsuite/gcc.dg/pr21921.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -funsafe-math-optimizations" } */
   3
   4 void
   5 Q (double *s, double h)
   6 {
   7   int i;
   8   if (h > 1)
   9     h = h - 1;
  10
  11   for (i = 1; i < 3; i++)
  12     if (s[i] / h > 0)
  13       s[0] = h, s[i] = s[i] / h;
  14 }