This DEV-only field was added in 836331ba5f69f2cc53b273ec073fae116db14302 by @sebmarkbage but it's not being used anymore to my knowledge.
} else {
      nextChildren = instance.render();
    }
  }
  
  workInProgress.flags |= PerformedWork;
  if (current !== null && didCaptureError) {
    
    
    
    
    forceUnmountCurrentAndReconcile(
      current,
      workInProgress,
      nextChildren,
      renderLanes,
    );
  } else {
    reconcileChildren(current, workInProgress, nextChildren, renderLanes);
  }
  
  
  workInProgress.memoizedState = instance.state;
  
  if (hasContext) {
    invalidateContextProvider(workInProgress, Component, true);
  }
  return workInProgress.child;
}
function pushHostRootContext(workInProgress) {