Describe what you were doing when the bug occurred:
1. Open https://codesandbox.io/s/angry-mestorf-cbvdv
2. Open DevTools, and try to inspect the <App> component

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DevTools version: 4.3.0-3e0967783

Call stack: at ha (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:268899)
    at ii (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:59363)
    at Sl (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:107431)
    at Ic (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:99973)
    at Tc (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:99898)
    at vc (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:96672)
    at chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:46436
    at n.unstable_runWithPriority (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:3676)
    at $o (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:46146)
    at na (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:46382)

Component stack: in ha
    in div
    in Ka
    in div
    in bi
    in div
    in Ai
    in Suspense
    in ei
    in div
    in div
    in la
    in Ur
    in vo
    in Unknown
    in n
    in Unknown
    in div
    in div
    in Qi
    in Ve
    in nn
    in Da
    in Yc
let meta;
  let utils;
  let BridgeContext;
  let InspectedElementContext;
  let InspectedElementContextController;
  let StoreContext;
  let TestUtils;
  let TreeContextController;
  beforeEach(() => {
    utils = require('./utils');
    utils.beforeEachProfiling();
    meta = require('react-devtools-shared/src/hydration').meta;
    bridge = global.bridge;
    store = global.store;
    store.collapseNodesByDefault = false;
    React = require('react');
    ReactDOM = require('react-dom');
    PropTypes = require('prop-types');
    TestUtils = require('react-dom/test-utils');
    TestRenderer = utils.requireTestRenderer();
    BridgeContext = require('react-devtools-shared/src/devtools/views/context')
      .BridgeContext;
    InspectedElementContext = require('react-devtools-shared/src/devtools/views/Components/InspectedElementContext')
      .InspectedElementContext;
    InspectedElementContextController = require('react-devtools-shared/src/devtools/views/Components/InspectedElementContext')
      .InspectedElementContextController;
    StoreContext = require('react-devtools-shared/src/devtools/views/context')
      .StoreContext;
    TreeContextController = require('react-devtools-shared/src/devtools/views/Components/TreeContext')
      .TreeContextController;