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

> However, this arises a couple of burning questions.
>
> Should the cc1 frontend still accept this flag - to keep tools/users passing 
> this flag directly to cc1 (which is unsupported, unadvertised) working.
> If we should remain backward compatible, how long?
> How can we get rid of deprecated and obsolete flags at some point?

The answer might be similar to what we do in case of a checker rename (or when 
we move out from alpha). Such a rename have the same problems, but we have not 
made much efforts to combat these problem. Users had to comply.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D126067/new/

https://reviews.llvm.org/D126067

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