[flang-commits] [flang] [llvm] [mlir] Revert "[mlir] Mark `isa/dyn_cast/cast/...` member functions deprecated. (#89998)" (PR #90250)

[Han-Chung Wang via flang-commits]

hanhanW wrote:

I meant to cc @joker-eph and @chsigg (not requested reviews from them)

https://github.com/llvm/llvm-project/pull/90250