[PATCH] D69778: Make -fmodules-codegen and -fmodules-debuginfo work also with precompiled headers

[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.

It's a bit weird for this to be controlled by a `-fmodules` flag, but it's only a `-cc1` flag, so I'm OK with that; we can rename it if/when we expose it from the driver.


Repository:
  rC Clang

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D69778/new/

https://reviews.llvm.org/D69778