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
resolve(payload);
      };
      bridge.addListener('inspectedElement', onInspectedElement);
      bridge.send('inspectElement', {id, path, rendererID});
      jest.runOnlyPendingTimers();
    });
  }
  beforeEach(() => {
    bridge = global.bridge;
    store = global.store;
    hydrate = require('react-devtools-shared/src/hydration').hydrate;
    meta = require('react-devtools-shared/src/hydration').meta;
    
    
    jest.mock('react', () => jest.requireActual('react-15/dist/react.js'));
    jest.mock('react-dom', () =>
      jest.requireActual('react-dom-15/dist/react-dom.js'),
    );
    React = require('react');
    ReactDOM = require('react-dom');
  });
  it('should inspect the currently selected element', async done => {
    const Example = () => null;
    act(() =>
      ReactDOM.render(<Example a={1} b="abc" />, document.createElement('div')),
    );
    const id = ((store.getElementIDAtIndex(0): any): number);
    const inspectedElement = await read(id);
    expect(inspectedElement).toMatchSnapshot('1: Initial inspection');
    done();