gcc/testsuite/g++.dg/tree-ssa/pr33615.C

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fnon-call-exceptions -fdump-tree-lim1-details -w" } */
   3
   4 extern volatile int y;
   5
   6 double
   7 foo (double a, int x)
   8 {
   9   while (x--)
  10     {
  11       y++;
  12       a += 1.0 / 0.0;
  13     }
  14   return a;
  15 }
  16
  17 // The expression 1.0 / 0.0 should not be treated as a loop invariant
  18 // if it may throw an exception.
  19 // { dg-final { scan-tree-dump-times "invariant up to" 0 "lim1" } }