Thomas Munro <thomas.munro@enterprisedb.com> writes:
> On Mon, Aug 20, 2018 at 2:55 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Can we prevent that from being allowed,
>> if we start using -std=c99?
> -Werror=vla in GCC, apparently.
Ah, cool.
> Another problem with VLAs is that they aren't in C++ and last I heard
> they aren't ever likely to be (at least not with that syntax). I'd rather not
> introduce obstacles on that path.
While I'm not that excited about the prospect of ever moving to C++,
I'm on board with the idea of sticking to something that's a subset
of both C99 and C++. Are there any other language features that we'd
need to avoid? Is there a direct way of testing for that, rather
than finding per-feature warning methods?
regards, tom lane