1  /* { dg-additional-options "-Wno-implicit-int" } */
       2  
       3  extern void foo (void *) __attribute__((nonnull));
       4  
       5  void
       6  en (jm)
       7  {
       8  }
       9  
      10  void
      11  p2 ()
      12  {
      13    char *rl = 0;
      14  
      15    en ();
      16    foo (rl); /* { dg-warning "use of NULL 'rl' where non-null expected" } */
      17  }