gcc/testsuite/gcc.dg/tree-ssa/pr112706.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-fre1" } */
   3
   4 int *ptr;
   5 void link_error ();
   6 void
   7 test ()
   8 {
   9   int *ptr1 = ptr + 10;
  10   int *ptr2 = ptr + 20;
  11   if (ptr1 == ptr2)
  12     link_error ();
  13 }
  14
  15 /* { dg-final { scan-tree-dump-not "if" "fre1" } } */