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

[Alexander Kornienko via llvm-commits]

alexfh wrote:

There' s a compiler crash after this commit: https://github.com/llvm/llvm-project/issues/142830

IIUC, f98bdd94e61721ebe11108956e63510692db34b2 doesn't help. Please take a look.

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