[llvm-branch-commits] [llvm] ReleaseNote: Mention SpecialCaseList change (PR #89141)

[Paul T Robinson via llvm-branch-commits]

pogo59 wrote:

@tstellar The PR was committed in December, so this is a change from LLVM17 to LLVM18. It is a behavior change that is tripping up some people, and I asked @MaskRay for a release note.

If it's too late for that, I can propagate his release note to our downstream release.

https://github.com/llvm/llvm-project/pull/89141