text: /* { dg-do compile } */
  /* { dg-options "-O -fdump-tree-phiopt1" } */
  
  struct C { int i; };
  int *g(struct C *p)
  {
    if (p)
      return &p->i;
    return (int *)0;
  }
  
  /* { dg-final { scan-tree-dump-not "if" "phiopt1" } } */
  