1  /* { dg-do compile } */
       2  /* { dg-options "-fdump-tree-original" } */
       3  
       4  int *
       5  fx (int *b, int *e)
       6  {
       7    return b + (e - b);
       8  }
       9  
      10  /* { dg-final { scan-tree-dump-not "/\\\[ex\\\]" "original" } } */