https://codesandbox.io/s/elastic-mayer-rzz4h2?file=/package.json

This is supposed to `console.error` but it doesn't.

17 warns: https://codesandbox.io/s/admiring-minsky-sze07m?file=/src/App.js
export function resolveRetryWakeable(boundaryFiber: Fiber, wakeable: Wakeable) {
  let retryLane = NoLane;  Default
  let retryCache: WeakSet<Wakeable> | Set<Wakeable> | null;
  if (enableSuspenseServerRenderer) {
    switch (boundaryFiber.tag) {
      case SuspenseComponent:
        retryCache = boundaryFiber.stateNode;
        const suspenseState: null | SuspenseState = boundaryFiber.memoizedState;
        if (suspenseState !== null) {
          retryLane = suspenseState.retryLane;
        }
        break;
      case SuspenseListComponent:
        retryCache = boundaryFiber.stateNode;
        break;
      default:
        throw new Error(
          'Pinged unknown suspense boundary type. ' +
            'This is probably a bug in React.',
        );
    }
  } else {
    retryCache = boundaryFiber.stateNode;
  }
  if (retryCache !== null) {
     T
     n
    retryCache.delete(wakeable);
  }
  retryTimedOutBoundary(boundaryFiber, retryLane);