[llvm] [SCEV] Introduce SCEVExactFlags for UDiv (PR #225065)

[Ramkumar Ramachandra via llvm-commits]

artagnon wrote:

Ah, just had a look at c-t-t, and there seems to be a genuine problem: https://llvm-compile-time-tracker.com/show_error.php?commit=7795ffb835da9cc0a882344e957e2eec9f67c43b -- investigating.

https://github.com/llvm/llvm-project/pull/225065