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

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Message #13 received at 51075-done <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Eli Zaretskii <eliz <at> gnu.org>, "Basil L. Contovounesios" <contovob <at> tcd.ie>
Cc: 51075-done <at> debbugs.gnu.org
Subject: Re: bug#51075: 29.0.50; Uninitialised variable warning in src/term.c
Date: Thu, 7 Oct 2021 13:13:33 -0700

[Message part 1 (text/plain, inline)]

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 :-).

[0001-Pacify-GCC-10.3-Wmaybe-uninitialized.patch (text/x-patch, attachment)]

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