[PATCH] D150397: [darwin] Declare _availability_version_check as weak_import instead of looking it up at runtime using dlsym

[Petr Hosek via Phabricator via llvm-commits]

phosek added a comment.

@ahatanak Ping, would it be possible to take a look?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D150397/new/

https://reviews.llvm.org/D150397