From 85951a04659c93fd69d098acca6cc1cad38dbcf0 Mon Sep 17 00:00:00 2001
From: gilboom <q86002618@163.com>
Date: Wed, 9 Sep 2020 14:59:37 +0800
Subject: [PATCH] refactor(core): _reset() remove nextRecord (#38752)

The nextRecord is not neccessary, so remove it and use record._nextMoved to iterate

PR Close #38752
---
 .../src/change_detection/differs/default_iterable_differ.ts   | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/packages/core/src/change_detection/differs/default_iterable_differ.ts b/packages/core/src/change_detection/differs/default_iterable_differ.ts
index d7b470a84f..91717994cc 100644
--- a/packages/core/src/change_detection/differs/default_iterable_differ.ts
+++ b/packages/core/src/change_detection/differs/default_iterable_differ.ts
@@ -236,7 +236,6 @@ export class DefaultIterableDiffer<V> implements IterableDiffer<V>, IterableChan
   _reset() {
     if (this.isDirty) {
       let record: IterableChangeRecord_<V>|null;
-      let nextRecord: IterableChangeRecord_<V>|null;
 
       for (record = this._previousItHead = this._itHead; record !== null; record = record._next) {
         record._nextPrevious = record._next;
@@ -247,9 +246,8 @@ export class DefaultIterableDiffer<V> implements IterableDiffer<V>, IterableChan
       }
       this._additionsHead = this._additionsTail = null;
 
-      for (record = this._movesHead; record !== null; record = nextRecord) {
+      for (record = this._movesHead; record !== null; record = record._nextMoved) {
         record.previousIndex = record.currentIndex;
-        nextRecord = record._nextMoved;
       }
       this._movesHead = this._movesTail = null;
       this._removalsHead = this._removalsTail = null;