[PATCH] D64253: Let unaliased Args track which Alias they were created from, and use that in Arg::getAsString() for diagnostics

[Hans Wennborg via Phabricator via llvm-commits]

hans added a comment.

I think this is going to be my favourite new feature in clang 9 :-) Do you want to put a small note in docs/ReleaseNotes.rst?


Repository:
  rL LLVM

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  https://reviews.llvm.org/D64253/new/

https://reviews.llvm.org/D64253