[PATCH] D145965: [C++20][Modules] Fix incorrect visibilities in implementation units.

[Iain Sandoe via Phabricator via cfe-commits]

iains planned changes to this revision.
iains added a comment.

changes are needed to address review comments - but this revision is needed as a parent to other work (so might need to be rebased from time to time)


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D145965/new/

https://reviews.llvm.org/D145965