gcc/testsuite/gcc.dg/tree-ssa/pr22321.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fno-tree-vrp -fno-tree-copy-prop -fno-tree-ccp -fdump-tree-optimized" } */
   3
   4
   5 volatile int x;
   6
   7 int main ()
   8 {
   9   volatile int *vip;
  10   vip = &x;
  11   volatile int *cvip;
  12   cvip = vip;
  13
  14   if (vip != cvip) return -1;
  15   return 0;
  16 }
  17
  18 /* { dg-final { scan-tree-dump-times "return 0" 1 "optimized" } } */
  19 /* { dg-final { cleanup-tree-dump "optimized" } } */
  20