1  /* { dg-do compile } */
       2  /* { dg-options "-O1 -fdump-tree-optimized" } */
       3  
       4  void f (long *p) {
       5    *p = 42;
       6    p[4] = 42;
       7    __builtin_free (p);
       8  }
       9  
      10  /* { dg-final { scan-tree-dump-not "= 42" "optimized" } } */
      11