[llvm] [LV] Remove assertions in IV overflow check (PR #115705)

[Florian Hahn via llvm-commits]

https://github.com/fhahn approved this pull request.

LGTM, IIUC this is genuine case where isIndvarOverflowCheckKnownFalse has to return false, but we can get better results after committing to a concrete tail-folding decisions.

Could you check if this fixes https://github.com/llvm/llvm-project/issues/115755 and add `Fixes https://github.com/llvm/llvm-project/issues/115755` to the PR description?

https://github.com/llvm/llvm-project/pull/115705