From d9a5f8e6d0aa9d3933880b62f5f2466922ad4fdb Mon Sep 17 00:00:00 2001
From: Peach <scdzwyxst@gmail.com>
Date: Mon, 26 Mar 2018 15:05:17 +0800
Subject: [PATCH] fix: instance reuse bug in out-in transition (fix #1874)

---
 src/history/base.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/history/base.js b/src/history/base.js
index 0c90dafa7..5b6f199c6 100644
--- a/src/history/base.js
+++ b/src/history/base.js
@@ -318,7 +318,10 @@ function poll (
   key: string,
   isValid: () => boolean
 ) {
-  if (instances[key]) {
+  if (
+    instances[key] &&
+    !instances[key]._isBeingDestroyed // do not reuse being destroyed instance
+  ) {
     cb(instances[key])
   } else if (isValid()) {
     setTimeout(() => {