From f641c4b2289dfdbbbea87538e36fa35f2a115ddc Mon Sep 17 00:00:00 2001
From: Evan You <yyx990803@gmail.com>
Date: Thu, 14 Apr 2022 10:00:44 +0800
Subject: [PATCH] fix(runtime-core): fix use of non-existent-in-prod internal
 property in defineProperty trap

fix #5710
---
 packages/runtime-core/src/componentPublicInstance.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/runtime-core/src/componentPublicInstance.ts b/packages/runtime-core/src/componentPublicInstance.ts
index 018187fc..03ee0e0e 100644
--- a/packages/runtime-core/src/componentPublicInstance.ts
+++ b/packages/runtime-core/src/componentPublicInstance.ts
@@ -458,7 +458,7 @@ export const PublicInstanceProxyHandlers: ProxyHandler<any> = {
   ) {
     if (descriptor.get != null) {
       // invalidate key cache of a getter based property #5417
-      target.$.accessCache[key] = 0
+      target._.accessCache![key] = 0
     } else if (hasOwn(descriptor, 'value')) {
       this.set!(target, key, descriptor.value, null)
     }