message: Use RETURN_OBJ.
diff: @@ -546,7 +546,7 @@ static PHP_METHOD(swoole_coroutine_util, getContext)
  task->context = Z_OBJ_P(return_value);
  }
  GC_ADDREF(task->context);
  - ZVAL_OBJ(return_value, task->context);
  + RETURN_OBJ(task->context);
  }
  int php_coroutine_reactor_can_exit(swReactor *reactor)
  