[PATCH] D129572: [X86] initial -mfunction-return=thunk-extern support

[Craig Topper via Phabricator via cfe-commits]

craig.topper accepted this revision.
craig.topper added a comment.

I also reviewed off-list and the X86 parts LGTM


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D129572/new/

https://reviews.llvm.org/D129572