[PATCH] D136315: [clang][Darwin] Try to guess the SDK root with xcrun when unspecified

[Hans Wennborg via Phabricator via cfe-commits]

hans added a comment.

Could we add a release note and/or update to the clang manual explaining the new behavior?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D136315/new/

https://reviews.llvm.org/D136315