### Website or app

https://github.com/eps1lon/react-devtools-repro-no-matching-node/

### Repro steps

1. `yarn start`
2. Open `App.js`
3. Uncomment the `useEffect` block
4. Click to inspect "Component" in DevTools
5. Error: "_Could not inspect element with id 5_"

Originally reported in https://github.com/facebook/react/issues/21436#issuecomment-835406075

---

https://user-images.githubusercontent.com/12292047/117544707-e6a6cd80-b022-11eb-9f8f-bb8cfd9f7743.mp4

### How often does this bug happen?

Every time

if (
            instance.constructor &&
            instance.constructor.contextType != null
          ) {
            modernContext = instance.context;
          } else {
            legacyContext = instance.context;
            if (legacyContext && Object.keys(legacyContext).length === 0) {
              legacyContext = NO_CONTEXT;
            }
          }
        }
        return [legacyContext, modernContext];
      default:
        return null;
    }
  }
   Rec
   Fib
   so 
  function crawlToInitializeContextsMap(fiber: Fiber) {
    updateContextsForFiber(fiber);
    let current = fiber.child;
    while (current !== null) {
      crawlToInitializeContextsMap(current);
      current = current.sibling;
    }
  }
  function getContextChangedKeys(fiber: Fiber): null | boolean | Array<string> {
    switch (getElementTypeForFiber(fiber)) {