[llvm] [InstCombine] Support gep nuw in icmp folds (PR #118472)

[Nikita Popov via llvm-commits]

nikic wrote:

@vitalybuka I had some trouble reproducing this locally, but I think this change to the profiling runtime should fix the issue: https://github.com/llvm/llvm-project/pull/118782 

https://github.com/llvm/llvm-project/pull/118472