[PATCH] D144651: [Serialization] Place command line defines in the correct file

[Felipe de Azevedo Piovezan via Phabricator via cfe-commits]

fdeazeve added a comment.

I think given Michael's investigation, we'll go ahead and revert.
That said, some feedback on his suggestion for:

> I wonder if we should just not add the root paths to <built-in> filenames.

Would allows us to make progress in restoring this patch


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D144651/new/

https://reviews.llvm.org/D144651