[llvm] [LAA] Be more careful when evaluating AddRecs at symbolic max BTC. (PR #128061)

[Ramkumar Ramachandra via llvm-commits]

https://github.com/artagnon commented:

Sorry, I got confused in the previous review. This `evaluateAtIteration` wrapping is troubling me, and I'm not sure how it wraps: perhaps @nikic can chime in?

https://github.com/llvm/llvm-project/pull/128061