void instanceKlass::link_class(TRAPS) {

  {- -------------------------------------------
  (1) (assert)
      ---------------------------------------- -}

      assert(is_loaded(), "must be loaded");

  {- -------------------------------------------
  (1) まだリンクされてなければ, 
      instanceKlass::link_class_impl() を呼び出してリンク処理を行う.
      ---------------------------------------- -}

      if (!is_linked()) {
        instanceKlassHandle this_oop(THREAD, this->as_klassOop());
        link_class_impl(this_oop, true, CHECK);
      }
    }