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

Notice the flash. I'd expect `suspended` to be `true` during the high pri render.
hasContext = false;
  }
  prepareToReadContext(workInProgress, renderExpirationTime);
  const instance = workInProgress.stateNode;
  let shouldUpdate;
  if (instance === null) {
    if (current !== null) {
      
      
      
      
      current.alternate = null;
      workInProgress.alternate = null;
      
      workInProgress.effectTag |= Placement;
    }
    
    constructClassInstance(workInProgress, Component, nextProps);
    mountClassInstance(
      workInProgress,
      Component,
      nextProps,
      renderExpirationTime,
    );
    shouldUpdate = true;
  } else if (current === null) {
    
    shouldUpdate = resumeMountClassInstance(
      workInProgress,
      Component,