[llvm] [ConstraintElim] Forget loop SCEV when folding an exiting condition. (PR #213945)

[Uzair rehman via llvm-commits]

Uzair-90 wrote:

I've read the contribution policies, including the LLVM AI Tool Use Policy. AI tool usage on this patch is noted in the PR description (Assisted-by line).

https://github.com/llvm/llvm-project/pull/213945