IRT_ENTRY(void, InterpreterRuntime::throw_pending_exception(JavaThread* thread))

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

      assert(thread->has_pending_exception(), "must only ne called if there's an exception pending");

  {- -------------------------------------------
  (1) (この関数自体は何もしない. 
       代わりに, この関数を呼び出す MacroAssembler::call_VM() のコード内のチェックで
       例外を検出させて伝搬させるのが目的)
      ---------------------------------------- -}

      // nothing to do - eventually we should remove this code entirely (see comments @ call sites)
    IRT_END