[PATCH] D17444: PR26672: [MSVC] Clang does not recognize "static_assert" keyword in C mode

Aaron Ballman via cfe-commits cfe-commits at lists.llvm.org
Thu Mar 3 07:52:59 PST 2016

On Thu, Mar 3, 2016 at 10:43 AM, Andrey Bokhanko
<andreybokhanko at gmail.com> wrote:
> Now I'm completely confused... :-)
> Can we rely that this MS engineer has enough authority to declare this
> to be a bug?

He's on the compiler team, so yes.

> And more importantly -- is MS willing to fix the [supposed] bug in
> future MSVC compilers? I frankly don't think so...

We can only guess what Microsoft is going to do and when. However, we
do not aim to be bug for bug compatible with MSVC unless there's very
good reason to do so, and I've yet to see any justification to warrant
that for this bug. Further, there's additional burden. If Microsoft
fixes this bug, are we going to then update our code to only support
it in a certain range of -fms-compatibility-version values? Or are we
going to have a compatibility hack that Microsoft doesn't have? etc.

> Either way, it's up to Reid to decide what to do. Reid?

It is not solely up to Reid to decide what to do. It's up to us as a
community as to what we want to support and maintain long-term and
that requires some amount of consensus. Also, Reid is not the only
Windows maintainer. ;-)


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