Re: Debian 12 gcc warning

On Tue, Aug 29, 2023 at 10:18:36AM -0400, Tom Lane wrote:
> Bruce Momjian <bruce(at)momjian(dot)us> writes:
> > On Tue, Aug 29, 2023 at 10:26:27AM +0700, John Naylor wrote:
> >> It looks like the former, since I can silence it on gcc 13 / -O1 by doing:
> >> /* keep compiler quiet */
> >> actual_arg_types[0] = InvalidOid;
>
> > Agreed, that fixes it for me too. In fact, assigning to only element 99 or
> > 200 also prevents the warning, and considering the array is defined for
> > 100 elements, the fact is accepts 200 isn't a good thing. Patch attached.
>
> That seems like a pretty clear compiler bug, particularly since it just
> appears in this one version. Rather than contorting our code, I'd
> suggest filing a gcc bug.

I assume I have to create a test case to report this to the gcc team. I
tried to create such a test case on gcc 12 but it doesn't generate the
warning. Attached is my attempt. Any ideas? I assume we can't just
tell them to download our software and compile it.

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Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EDB https://enterprisedb.com

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