[PATCH] D157572: [clang] Add `[[clang::library_extension]]` attribute

[Nikolas Klauser via Phabricator via cfe-commits]

philnik abandoned this revision.
philnik added a comment.

Abandoning, since it seems like we want to extend `diagnose_if` instead.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D157572/new/

https://reviews.llvm.org/D157572