1  /* PR sanitizer/78270 */
       2  /* { dg-do compile } */
       3  /* { dg-additional-options "-Wno-switch-unreachable" } */
       4  
       5  int a;
       6  void
       7  fn1 ()
       8  {
       9    switch (a)
      10      {
      11        char b;
      12      case 8:
      13        &b;
      14        switch (0)
      15  	;
      16      }
      17  }
      18