[Mlir-commits] [mlir] [mlir][Interfaces][NFC] Document that `RegionBranchTerminatorOpInterface` is mandatory (PR #174978)

[Matthias Springer]

matthias-springer wrote:

Rebased to `main`, so that I can merge this before #174945 (which is still in review).


https://github.com/llvm/llvm-project/pull/174978