[PATCH] D138464: Return None instead of Optional<T>() (NFC)

[Fangrui Song via Phabricator via cfe-commits]

MaskRay accepted this revision.
MaskRay added a comment.
This revision is now accepted and ready to land.

We have `return llvm::None;` and `return None;`. Shall we always prefer `llvm::None`?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D138464/new/

https://reviews.llvm.org/D138464