### Describe what you were doing when the bug occurred:
1. I did profiling on a list, that gets updated on each pagination api call.
2. Once the profiling was done, I moved around in the Profiler to view the Flamegraph
3. Moving to second capture, the Profiler crashed.


**DevTools version**: 4.6.0-6cceaeb67

```
Component stack: in ec
    in div
    in div
    in div
    in So
    in Unknown
    in n
    in Unknown
    in div
    in div
    in rl
    in Ze
    in fn
    in Ga
    in _s
```
if (!shouldFilterFiber(fiber)) {
      nextChildren.push(getFiberID(getPrimaryFiber(fiber)));
    } else {
      let child = fiber.child;
      const isTimedOutSuspense =
        fiber.tag === SuspenseComponent && fiber.memoizedState !== null;
      if (isTimedOutSuspense) {
         Spe
         get 
         and 
        const primaryChildFragment = fiber.child;
        const fallbackChildFragment = primaryChildFragment
          ? primaryChildFragment.sibling
          : null;
        const fallbackChild = fallbackChildFragment
          ? fallbackChildFragment.child
          : null;
        if (fallbackChild !== null) {
          child = fallbackChild;
        }
      }
      while (child !== null) {
        findReorderedChildrenRecursively(child, nextChildren);
        child = child.sibling;
      }
    }
  }
   Returns whether closest unfiltered fiber parent needs to reset its child list.
  function updateFiberRecursively(
    nextFiber: Fiber,