GNU bug report logs - #47067
28.0.50; [feature/native-comp] Crash while scrolling through dispnew.c

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Andrea Corallo <akrl <at> sdf.org>
Cc: 47067 <at> debbugs.gnu.org
Subject: bug#47067: 28.0.50; [feature/native-comp] Crash while scrolling through dispnew.c
Date: Fri, 12 Mar 2021 14:51:39 +0200

> From: Andrea Corallo <akrl <at> sdf.org>
> Cc: 47067 <at> debbugs.gnu.org
> Date: Fri, 12 Mar 2021 12:04:34 +0000
> 
> >> >  emacs -Q
> >> >  C-h sit-for RET
> >> >  Click on the link to subr.el
> >> >  In subr.el go to where sit-for calls sleep-for and type C-h f RET
> >> >  Click on "C source code" to display dispnew.c
> >> >  Scroll down with C-n or C-v
> >> 
> >> I can't reproduce here :/
> >
> > Did you try the 32-bit build --with-wide-int?  It could be specific to
> > that configuration.
> 
> Good point, it tried on 32-bit before and now 32-bit --with-wide-int but
> still could not reproduce.

Is there any data I can collect to help diagnose the issue?  Anything
at all?  Like maybe disassembly of this F632d626567696e6e696e672d6f662d73746174656d656e742d31_c_beginning_of_statement_1_0()
function or some part of it?

IOW, if the problem is miscompilation to native code, what facilities
do we have to report the details if the simple recipe doesn't
reproduce the problem?  We will have this kind of problems in the near
future, so having a good way of reporting the details might help
eliminate bugs faster.

Thanks.

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