gcc/testsuite/gcc.dg/torture/pr81245.c

   1 /* { dg-options "-ffast-math" } */
   2 /* { dg-do compile } */
   3 /* This test used to crash the vectorizer as the ifconvert pass
   4    used to convert the if to copysign but called update_stmt on
   5    the old statement after calling fold_stmt. */
   6 double sg[18];
   7 void f(void)
   8 {
   9   for (int i = 0 ;i < 18;i++)
  10   {
  11     if (sg[i] < 0.0)
  12       sg[i] = -1.0;
  13     else
  14       sg[i] = 1.0;
  15   }
  16 }