1  /* { dg-do compile } */
       2  /* { dg-options "-O2" } */
       3  
       4  struct _wincore
       5  {
       6    int width, height;
       7  };
       8  
       9  void fn1 (int);
      10  void fn2 (int, int, int *);
      11  
      12  static void
      13  foo (void *dpy, struct _wincore *winInfo, int offset)
      14  {
      15    fn1 (winInfo->height);
      16  }
      17  
      18  static void
      19  bar (void *dpy, int winInfo, int *visrgn)
      20  {
      21    ((void (*) (void *, int, int)) foo) ((void *) 0, winInfo, 0);  /* { dg-warning "function called through a non-compatible type" } */
      22    fn2 (0, 0, visrgn);
      23  }
      24  
      25  void
      26  baz (void *dpy, int win, int prop)
      27  {
      28    bar ((void *) 0, 0, (int *) 0);
      29  }