[PATCH] D36501: Add flag to request Clang is ABI-compatible with older versions of itself

[Hans Wennborg via Phabricator via cfe-commits]

hans accepted this revision.
hans added a comment.
This revision is now accepted and ready to land.

I'm not familiar with the details of the ABI changes, but the mechanics of the code look good to me.


Repository:
  rL LLVM

https://reviews.llvm.org/D36501