Function updateMode

lib/assets/react-source/development/react.js:20676–20680

(current, workInProgress, renderExpirationTime)

	}

	function updateMode(current, workInProgress, renderExpirationTime) {
	  var nextChildren = workInProgress.pendingProps.children;
	  reconcileChildren(current, workInProgress, nextChildren, renderExpirationTime);
	  return workInProgress.child;
	}

	function updateProfiler(current, workInProgress, renderExpirationTime) {
	  {