Vue version

3.2.39

Link to minimal reproduction

https://sfc.vuejs.org/#eNp9j11OAzEMhK8S+blJgD6xWqpyj0ioZQ2Ekh8l3iC02rvjTVspbaU+zoz9jT3Ba4yqjAgd9IQu/uwIN8YL0Q+2iCLtx4sBSiMaEAf8Y5GDw7cHlkXurR/YmWYDm17zQt2s22fWJeKYU2U3tMc7tF43ZzUCVmBdDImk20X1nYPnF6bKPwXZQCeqs3j846INfBHF3Gk9+nj4VO/B6S1nOo2erEM5BLddqye1fuYTMrW+wuzkPoXfjIkbDawauGazYJIJ/YAJ092yq9mLwqvspnTpnI2fYf4H3aCWlw==

Steps to reproduce

Nothing to do

What is expected?

Normal merge prop

What is actually happening?

Set the key on the v-if block, and then use v-bind later. The prop merges errors, causing compilation warnings

Duplicate of #6631

System Info

No response

Any additional comments?

No response

closing as duplicate pf #6631