1  /* { dg-do compile } */
       2  int main ()
       3  {
       4    return (__builtin_types_compatible_p (char[1][], char[1][1])); /* { dg-error "array type has incomplete element type" } */
       5  }
       6  
       7  
       1  /* { dg-do compile } */
       2  int main ()
       3  {
       4    return (__builtin_types_compatible_p (char[1][], char[1][1])); /* { dg-error "array type has incomplete element type" } */
       5  }
       6  
       7