[PATCH] D138376: Use None consistently (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.

LGTM. `enum class NoneType { None = 1 };` is from 0cd22f9540c0591132ec991c51103cf800cf4e24 (2017) for MSVC workaround. I assume it is no longer needed..


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D138376/new/

https://reviews.llvm.org/D138376