[clang] Try to fix llvm/llvm-project#41441 (PR #96464)

[Erich Keane via cfe-commits]

erichkeane wrote:

It seems reasonable to me, but I want @cor3ntin  to review this, he's the one who got his foot stuck in array bounds for a while :D 

However, this patch needs a few changes:

1- A better patch title, perhaps improved commit message
2- Release note

https://github.com/llvm/llvm-project/pull/96464