[PATCH] D91890: Introduce -print-changes which show changes in patch-like format

[Arthur Eubanks via Phabricator via llvm-commits]

aeubanks added a comment.

Also, could you say in the description that this shells out to `diff`?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D91890/new/

https://reviews.llvm.org/D91890