[PATCH] D138539: Use std::nullopt_t instead of NoneType (NFC)

[David Blaikie via Phabricator via llvm-commits]

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

Sounds good to me, thanks!


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D138539/new/

https://reviews.llvm.org/D138539