[llvm-commits] [PATCH] Atomic NAND options

[David Blaikie]

> Yes, I think that is very reasonable.  It is a very rare builtin for people
> to use.  Having clang warn unconditionally (with a -W flag) seems like the
> right answer.
>

That sounds like it'd be a little weird/annoying for new use cases, wouldn't
it? (unless the old behavior is the obvious/expected behavior even for new
users)
Is this the sort of thing you'd keep around for one release & then remove
with the following one?

- David
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