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

Notice the flash. I'd expect `suspended` to be `true` during the high pri render.
workInProgress,
  currentChildExpirationTime,
  renderExpirationTime,
) {
  if (currentChildExpirationTime < renderExpirationTime) {
    
    
    return currentChildExpirationTime;
  }
  if ((workInProgress.mode & BlockingMode) !== NoMode) {
    
    
    
    
    
    
    const root = getWorkInProgressRoot();
    if (root !== null) {
      const PendingTime = root.PendingTime;
      if (PendingTime < renderExpirationTime) {
        return PendingTime;
      }
    }
  }
  
  return NoWork;
}
function updateSuspenseComponent(