[Mlir-commits] [mlir] [mlir][IR] Mark `getParentBlock()` and `getParentRegion()` as const (NFC) (PR #151915)

[Longsheng Mou]

CoTinker wrote:

Thanks for the explanation. I just read the document — it looks like they removed `const` from `Operation.h`, `Block.h`, and `Region.h`, but left it unchanged in `Value.h`. But I don't known why.

https://github.com/llvm/llvm-project/pull/151915