[PATCH] D55979: [gn build] Add build file for clang/lib/ARCMigrate

[Petr Hosek via Phabricator via cfe-commits]

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

LGTM


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D55979/new/

https://reviews.llvm.org/D55979