[PATCH] D43673: Make module use diagnostics refer to the top-level module

[Richard Smith - zygoloid via Phabricator via cfe-commits]

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

Makes sense -- as dependencies can only be declared on top-level modules, that's what we should be talking about here.


https://reviews.llvm.org/D43673