### 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
```
To 
           the 
           We 
          path = path.slice(1);
          switch (fiber.tag) {
            case ClassComponent:
              if (path.length === 0) {
                 Sim
                instance.context = value;
              } else {
                setInObject(instance.context, path, value);
              }
              instance.forceUpdate();
              break;
            case FunctionComponent:
               Function components using legacy context are not editable
               because there's no instance on which to create a cloned, mutated context.
              break;
          }
          break;
        case 'hooks':
          if (typeof overrideHookState === 'function') {
            overrideHookState(fiber, ((hookID: any): number), path, value);
          }
          break;
        case 'props':
          switch (fiber.tag) {
            case ClassComponent:
              fiber.pendingProps = copyWithSet(instance.props, path, value);
              instance.forceUpdate();