[PATCH] D129709: [clang][CodeGen] add fn_ret_thunk_extern to synthetic fns

[Nathan Chancellor via Phabricator via cfe-commits]

nathanchance added a comment.

This cleans up the objtool warnings I initially reported and does not introduce any other regressions in my Linux kernel build and QEMU boot tests.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D129709/new/

https://reviews.llvm.org/D129709