Describe what you were doing when the bug occurred:
1. 
2. 
3. 

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DevTools version: 4.11.0-39713716aa

Call stack: at chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:20884:13
    at Map.forEach (<anonymous>)
    at RankedChartBuilder_getChartData (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:20880:24)
    at ProfilingCache_ProfilingCache.getRankedChartData (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:21004:11)
    at CommitRankedAutoSizer (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:35717:32)
    at Rh (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:13245:7)
    at Ci (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:13944:7)
    at uk (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:16725:86)
    at tk (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:16245:11)
    at qk (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:16237:23)

Component stack: at CommitRankedAutoSizer (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:35696:34)
    at div
    at div
    at div
    at SettingsModalContextController (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:29121:3)
    at Profiler_Profiler (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:37243:34)
    at ErrorBoundary_ErrorBoundary (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:30035:5)
    at PortaledContent (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:30157:5)
    at div
    at div
    at ProfilerContextController (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:34264:3)
    at TreeContextController (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:25356:3)
    at SettingsContextController (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:25963:3)
    at ModalDialogContextController (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:30300:3)
    at DevTools_DevTools (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:37639:3)
hostInstance,
    findNearestUnfilteredAncestor = false,
  ) {
    let fiber = renderer.findFiberByHostInstance(hostInstance);
    if (fiber != null) {
      if (findNearestUnfilteredAncestor) {
        while (fiber !== null && shouldFilterFiber(fiber)) {
          fiber = fiber.return;
        }
      }
      return getFiberID(getPrimaryFiber(((fiber: any): Fiber)));
    }
    return null;
  }
  const MOUNTING = 1;
  const MOUNTED = 2;
  const UNMOUNTED = 3;
   This function is copied from React and should be kept in sync:
   https:github.com/facebook/react/blob/master/packages/react-reconciler/src/ReactFiberTreeReflection.js
  function isFiberMountedImpl(fiber: Fiber): number {
    let node = fiber;
    let prevNode = null;
    if (!fiber.alternate) {
       If 
       yet
      if ((getFiberFlags(node) & Placement) !== NoFlags) {
        return MOUNTING;
      }
       Thi
      if ((getFiberFlags(node) & Incomplete) !== NoFlags) {