bug#74966: 31.0.50; Crash report (using igc on macOS)

[Andrea Corallo <acorallo@gnu.org>]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Andrea Corallo <acorallo@gnu.org>
>> Cc: Pip Cet <pipcet@protonmail.com>,  monnier@iro.umontreal.ca,
>>   gerd.moellmann@gmail.com,  spd@toadstyle.org,  74966@debbugs.gnu.org
>> Date: Tue, 31 Dec 2024 05:22:11 -0500
>> 
>> Eli Zaretskii <eliz@gnu.org> writes:
>> 
>> >> > I think a much simpler change is to use the sign bit to distinguish indices
>> >> > into the constant vector from indices into the DOC file.
>> >> 
>> >> And use one's-complement, I assume, to guard against some future weird
>> >> nativecomp change resulting in the index -0?  :-)
>> >> 
>> >> I really have no strong preference here.
>> >
>> > And I still want to hear from Andrea.  It's his code, so the solution
>> > he prefers gets my vote.
>> 
>> Sorry for behing late here.
>> 
>> I'm for the sign bit, it saves memory (why not), and we can sanity check
>> that when the bit is set the function is a non-primitve one and vice
>> versa.
>
> OK, can you post a patch (or even install it)?

Will do.  I'll just need some time, I'm catching up with mails after
holidays while being sick at the same time.  If someone is motivate to
jump on the task before me feel free.

  Andrea