GNU bug report logs - #51075
29.0.50; Uninitialised variable warning in src/term.c

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From: "Basil L. Contovounesios" <contovob <at> tcd.ie>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: 51075 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>
Subject: bug#51075: 29.0.50; Uninitialised variable warning in src/term.c
Date: Fri, 08 Oct 2021 11:21:11 +0100

Paul Eggert [2021-10-07 13:13 -0700] wrote:

> On 10/7/21 06:01, Eli Zaretskii wrote:
>
>> It's a bogus warning.  It might be worth reporting to the GCC folks
>> (unless GCC 11 already fixed that).
>
> Yes, I believed it's fixed in GCC 11. GCC 11.2.1 20210728 (Red Hat 11.2.1-1)
> does not warn me about it.
>
>> Feel free to assign some value to gstring in the 'else' clause, to
>> shut up GCC in this case.
>
> I installed into the emacs-28 branch the attached, which fixes it in a different
> way to make it a bit clearer to the reader that we're pacifying an inadequate
> compiler rather than executing odd code for an unknown reason.
>
> There are a handful of other bogus warnings with GCC 11.2.1, which I'll try to
> get around to pacifying (I hope before GCC 12 comes out :-).

Thanks!

-- 
Basil

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