[llvm] [ConstantRange] Bail out early in unsignedMulMayOverflow for wide integer types (PR #192275)

[Alexis Engelke via llvm-commits]

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

LGTM. Please update the PR title and description to match the current changes (they will become the commit message).

https://github.com/llvm/llvm-project/pull/192275