Subject: bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains

From: Eli Zaretskii <[email-masked]>
Date: Thu, 08 Jul 2021 16:16:50 +0300

> From: Lars Ingebrigtsen <[email-masked]>
> Cc: [email-masked],  [email-masked],  [email-masked]
> Date: Thu, 08 Jul 2021 14:42:44 +0200
> 
> Eli Zaretskii <[email-masked]> writes:
> 
> > Can you show the form being evaluated in frame #10?  Like this:
> >
> >   (gdb) fr 10
> >   (gdb) pp form
> 
> Hm:
> 
> (gdb) fr 10
> #10 0x0000555555706a59 in Feval (form=XIL(0x7ffff20f5023), 
>     lexical=<optimized out>) at eval.c:2343
> 2343	  return unbind_to (count, eval_sub (form));
> (gdb) pp form
> #<INVALID_LISP_OBJECT 0x7ffff20f5023>

Which means unfortunately that to see the form one needs to display
the form piecemeal, one member at a time, using the xtype and the
other x* commands...  Let me know if you need more detailed
instructions.