Sandbox: https://codesandbox.io/s/cranky-kapitsa-op3jh

Repro: type "a" and then after a second "b"

Expected: Eventually you'll see "ab" in all fields. Pending "..." indicator goes away.

Actual: You'll keep seeing "a" in low pri field. Pending "..." indicator is stuck.
/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @emails react-core
 * @jest-environment node
 */
'use strict';
let React;
let ReactCache;
let TextResource;
let ReactFeatureFlags;
let ReactNoop;
let Scheduler;
let SchedulerTracing;
let Suspense;
let useState;
let useReducer;
let useEffect;
let useLayoutEffect;
let useCallback;
let useMemo;
let useRef;
let useImperativeHandle;
let useTransition;
let useDeferredValue;