Version

3.0.2

Reproduction link

https://codesandbox.io/s/elegant-moore-rfyck?file=/src/App.vue

Steps to reproduce

1、click change test button 2、click click me button

What is expected?

log record can change

What is actually happening?

record not change

if use record like: <button @click="handleClick(record)">click me {{record}}</button> we can get latest record value.

I think it is the same as this issue: https://github.com/vuejs/vue-next/issues/2564

@posva @HcySunYang 3.0.4 also have this problem

it's solved, see: https://codesandbox.io/s/red-shape-bc720