[llvm] [LoopPeel] Remove known trip count restriction when peeling last. (PR #140792)

[Steven Wu via llvm-commits]

cachemeifyoucan wrote:

I think this breaks bot for clang bootstrapping: https://green.lab.llvm.org/job/llvm.org/job/clang-stage2-Rthinlto/787/

Can you take a look to see if this indeed caused by your change?

https://github.com/llvm/llvm-project/pull/140792