I can't quite figure out how to use the profiling build. I aliased `react-dom` to `react-dom/profiling` but I get this error:

<img width="448" alt="screen shot 2018-09-08 at 20 17 02" src="https://user-images.githubusercontent.com/810438/45257816-2d405780-b3a4-11e8-9615-0b27abd0442b.png">
<img width="272" alt="screen shot 2018-09-08 at 20 17 06" src="https://user-images.githubusercontent.com/810438/45257817-2d405780-b3a4-11e8-8a08-f5a0650debfe.png">

I didn't want interactions, I just want profiling. What am I doing wrong?

To repro, use CRA, then eject, then add `react-dom` -> `react-dom/profiling` to alias in webpack prod config and build.
updateExpirationTimeAfterCommit === NoWork ||
    (childExpirationTimeAfterCommit !== NoWork &&
      childExpirationTimeAfterCommit < updateExpirationTimeAfterCommit)
      ? childExpirationTimeAfterCommit
      : updateExpirationTimeAfterCommit;
  if (earliestRemainingTimeAfterCommit === NoWork) {
    
    
    legacyErrorBoundariesThatAlreadyFailed = null;
  }
  onCommit(root, earliestRemainingTimeAfterCommit);
  if (enableSchedulerTracking) {
    __interactionsRef.current = prevInteractions;
    let subscriber;
    try {
      subscriber = __subscriberRef.current;
      if (subscriber !== null && root.memoizedInteractions.size > 0) {
        const threadID = computeThreadID(
          committedExpirationTime,
          root.interactionThreadID,
        );
        subscriber.onWorkStopped(root.memoizedInteractions, threadID);
      }
    } catch (error) {
      
      
      if (!hasUnhandledError) {
        hasUnhandledError = true;
        unhandledError = error;
      }