1  /* PR middle-end/94436 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-Wincompatible-pointer-types" } */
       4  
       5  struct S { int s; };
       6  int foo (struct S *);
       7  
       8  int
       9  bar (void)
      10  {
      11    int s = 0;
      12    return foo ((struct S *) ((char *) &s - (char *) &((struct S *) 0)->s));	/* { dg-bogus "from incompatible pointer type" } */
      13  }