[Mlir-commits] [mlir] [mlir][arith] fix wrong floordivsi fold (#83079) (PR #83248)

[Jeff Niu]

https://github.com/Mogball approved this pull request.

This change almost certainly has performance implications. Do we have some way to measure or even guess at that? If this is fixing a correctness bug, I am also not the right person to verify that, but I trust the author in this

https://github.com/llvm/llvm-project/pull/83248