[llvm] [VPlan] Fix nowrap flags for strided access pointers from SCEV (PR #209453)

[Mel Chen via llvm-commits]

Mel-Chen wrote:

> LGTM, thanks.
> 
> Can you cherry-pick for the 24 release?

Just to confirm, we are targeting the LLVM 23.x Release for this, right?

https://github.com/llvm/llvm-project/pull/209453