1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdump-tree-phiopt2" } */
       3  
       4  struct C { int i; };
       5  int *g(struct C *p)
       6  {
       7    if (p)
       8      return &p->i;
       9    return (int *)0;
      10  }
      11  
      12  /* { dg-final { scan-tree-dump-not "if" "phiopt2" } } */