GNU bug report logs - #63711
30.0.50; Crash in xdisp.c when it->string is 0x0

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From: Thomas Fitzsimmons <fitzsim <at> fitzsim.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 63711 <at> debbugs.gnu.org
Subject: bug#63711: 30.0.50; Crash in xdisp.c when it->string is 0x0
Date: Thu, 25 May 2023 14:12:23 -0400

Eli Zaretskii <eliz <at> gnu.org> writes:

>> Cc: 63711 <at> debbugs.gnu.org
>> Date: Thu, 25 May 2023 18:54:13 +0300
>> From: Eli Zaretskii <eliz <at> gnu.org>
>> 
>> > >   (gdb) p first_row_to_display->y
>> > 
>> > $24 = 701
>> > 
>> > >   (gdb) p window_text_bottom_y(w)
>> > 
>> > $25 = 701
>> 
>> And this also tells us that we are using the wrong glyph row, I think:
>> its Y coordinate is outside of the visible text area.
>> 
>> I think I understand the problem.  Let me think about a solution.
>
> I installed a fix on the emacs-29 branch, let's hope it fixes this.

Thank you; I'm running a "-g -O0" build of emacs-29 tip now, with GDB
attached.  I'll follow up in a month to confirm success, provided there
are no issues in the meantime.

Thanks,
Thomas

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