smeenai added a comment.

In D131307#3704709 <https://reviews.llvm.org/D131307#3704709>, @thakis wrote:

> It's already an error, but it's a warning default-mapped to an error. You can 
> -Wno-error=name to downgrade it into a warning, but that requires an explicit 
> action. So people are unlikely to miss it.
>
> This is how we usually handle these breaking changes.
>
> Maybe there could be a test for the -Wno-error= case? But this looks roughly 
> right to me overall. I haven't looked in detail.

Right, but we also want people to understand that the downgrade possibility 
will be going away in the next release (i.e. it'll always be an error and 
there's nothing you can do about that), so they really do want to deal with 
this as a priority.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D131307/new/

https://reviews.llvm.org/D131307

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