1  /* Verify that we gracefully handle error functions that don't match
       2     the signature of GNU's <error.h>.  */
       3  
       4  extern void error (void);
       5  extern void error_at_line (void);
       6  
       7  void test_1 (void)
       8  {
       9    error ();
      10    error_at_line ();
      11  }