1  /* PR28322: ignore unknown -Wno-* if no warning is emitted.  */
       2  /* { dg-do compile } */
       3  /* { dg-options " -Wno-foobar -Wno-div-by-zero" } */
       4  
       5  void foo(void)
       6  {
       7    int i =  1/0;
       8  }