From 7c1ec50d6f772878491ada20969389243c9152a2 Mon Sep 17 00:00:00 2001
From: Yanzhen Yu <yanzhen@smartx.com>
Date: Thu, 14 Jan 2021 22:50:56 +0800
Subject: [PATCH] clean addList when meet a corner case

---
 src/record/mutation.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/record/mutation.ts b/src/record/mutation.ts
index 6f8be15d..9d90daf9 100644
--- a/src/record/mutation.ts
+++ b/src/record/mutation.ts
@@ -296,6 +296,9 @@ export default class MutationBuffer {
          * it may be a bug or corner case. We need to escape the
          * dead while loop at once.
          */
+        while (addList.head) {
+          addList.removeNode(addList.head.value);
+        }
         break;
       }
       candidate = node.previous;