bug about keep-alive and @click.native caused repeated attach event handler?

[action-hong]

Version

2.6.10

Reproduction link

https://codepen.io/action-hong/pen/eaKmOy

Steps to reproduce

1. click "show/hide button" to hide button "add 1"
2. click "show/hide button" to show button "add 1"
3. click "add 1"

What is expected?

Repeat step 1 and step 2, Click the "add 1" to add 1 to the number

What is actually happening?

Repeat step 1 and step 2 , Click the "add 1" to add n(repeat times) to the number

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5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

[posva]

Seems like a bug indeed. As a workaround, you can pass a regular @click and handle it manually with $listeners.click

<button @click="$listeners.click">{{ text }}</button>