1  /* { dg-do compile } */
       2  /* { dg-options "-fdump-tree-original" } */
       3  
       4  int i;
       5  int *p = &i;
       6  static __PTRDIFF_TYPE__ d = p - (p + 1);
       7  
       8  void
       9  foo (void)
      10  {
      11    int *q = &i;
      12    static __PTRDIFF_TYPE__ e = q - (q + 1);
      13  }
      14  
      15  /* { dg-final { scan-tree-dump-not " - " "original" } } */
      16  /* { dg-final { scan-tree-dump-not " \\+ " "original" } } */