Function enqueueConcurrentRenderForLane

docs/index.js:5894–5897

(fiber, lane)

  return getRootForUpdatedFiber(fiber);
}
function enqueueConcurrentRenderForLane(fiber, lane) {
  enqueueUpdate$1(fiber, null, null, lane);
  return getRootForUpdatedFiber(fiber);
}
function markUpdateLaneFromFiberToRoot(sourceFiber, update, lane) {
  sourceFiber.lanes |= lane;
  var alternate = sourceFiber.alternate;