[PATCH] D34506: Factor out a functionality from `isBeforeInTranslationUnit`

[Argyrios Kyrtzidis via Phabricator via cfe-commits]

akyrtzi added a comment.

I'd prefer to avoid including whitespace-only changes (there are a couple of lines in the diff with only whitespace change), otherwise LGTM!


https://reviews.llvm.org/D34506