Describe what you were doing when the bug occurred:
1. recorded profiling results
2. browsing results by paging to the right
3. crash

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DevTools version: 4.8.2-fed4ae024

Call stack: at updateTree (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:17854:21)
    at getCommitTree (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:17717:25)
    at ProfilingCache.getCommitTree (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:18265:14)
    at CommitFlamegraphAutoSizer (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:31718:33)
    at vh (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:11067:7)
    at fi (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:11733:7)
    at ck (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:14430:86)
    at bk (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:13779:11)
    at ak (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:13768:5)
    at Sj (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:13750:7)

Component stack: at CommitFlamegraphAutoSizer (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:31701:48)
    at div
    at div
    at div
    at SettingsModalContextController (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:26139:23)
    at Profiler_Profiler (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:33363:48)
    at ErrorBoundary (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:27172:5)
    at PortaledContent (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:27303:32)
    at div
    at div
    at ProfilerContextController (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:30463:23)
    at TreeContextController (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:22538:23)
    at SettingsContextController (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:23040:27)
    at ModalDialogContextController (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:28328:23)
    at DevTools_DevTools (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:33797:21)
switch (getElementTypeForFiber(nextFiber)) {
      case ElementTypeClass:
      case ElementTypeFunction:
      case ElementTypeMemo:
      case ElementTypeForwardRef:
        if (prevFiber === null) {
          return {
            context: null,
            didHooksChange: false,
            isFirstMount: true,
            props: null,
            state: null,
          };
        } else {
          return {
            context: getContextChangedKeys(nextFiber),
            didHooksChange: didHooksChange(
              prevFiber.memoizedState,
              nextFiber.memoizedState,
            ),
            isFirstMount: false,
            props: getChangedKeys(
              prevFiber.memoizedProps,
              nextFiber.memoizedProps,
            ),
            state: getChangedKeys(
              prevFiber.memoizedState,
              nextFiber.memoizedState,
            ),
          };