[PATCH] D120160: [Clang] Add `-funstable` flag to enable unstable and experimental features

Mon Mar 7 11:37:27 PST 2022

egorzhdan added a comment.
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Apologies for landing this too quickly! I'll adjust this logic in a separate patch: https://reviews.llvm.org/D121141

In D120160#3352399 <https://reviews.llvm.org/D120160#3352399>, @Mordante wrote:

> `-funstable` is an option that controls multiple flags therefore I think it would be good to have a separate flag to opt-in for unstable/incomplete libc++ features. That makes it easier to _only_ opt-in to these features.

@Mordante could you please elaborate a little bit, are you proposing a separate flag that would be equivalent to `-Xcc -funstable` (essentially to enable `LangOpts.Unstable` but not the rest of the flags) and have a different spelling to indicate that it is specific to libc++?

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  https://reviews.llvm.org/D120160/new/

https://reviews.llvm.org/D120160