Repro: https://codesandbox.io/s/fast-water-4i4jb

Notice the flash. I'd expect `suspended` to be `true` during the high pri render.
'is no trailing or leading whitespace around it.',
      );
    }
  }
  prepareToReadContext(workInProgress, renderExpirationTime);
  const newValue = readContext(context, newProps.unstable_observedBits);
  let newChildren;
  if (__DEV__) {
    ReactCurrentOwner.current = workInProgress;
    setIsRendering(true);
    newChildren = render(newValue);
    setIsRendering(false);
  } else {
    newChildren = render(newValue);
  }
  
  workInProgress.effectTag |= PerformedWork;
  reconcileChildren(current, workInProgress, newChildren, renderExpirationTime);
  return workInProgress.child;
}
function updateFundamentalComponent(
  current,
  workInProgress,
  renderExpirationTime,
) {
  const fundamentalImpl = workInProgress.type.impl;
  if (fundamentalImpl.reconcileChildren === false) {
    return null;
  }
  const nextProps = workInProgress.pendingProps;