From ba881f9190510c613f04950b69d78f6af1a90e06 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=BE=99=E8=85=BE=E9=81=93?= <LongTengDao@LongTengDao.com>
Date: Tue, 20 Oct 2020 05:11:28 +0800
Subject: [PATCH] fix(runtime-core): avoid object prototype keys in property
 access cache (#2416)

---
 packages/runtime-core/src/component.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/runtime-core/src/component.ts b/packages/runtime-core/src/component.ts
index 19035961..3fea92ba 100644
--- a/packages/runtime-core/src/component.ts
+++ b/packages/runtime-core/src/component.ts
@@ -549,7 +549,7 @@ function setupStatefulComponent(
     }
   }
   // 0. create render proxy property access cache
-  instance.accessCache = {}
+  instance.accessCache = Object.create(null)
   // 1. create public instance / render proxy
   // also mark it raw so it's never observed
   instance.proxy = new Proxy(instance.ctx, PublicInstanceProxyHandlers)