bug#34394: 27.0.50; Emacs segfaults with SLY, company and C-g

[João Távora]

João Távora <joaotavora@gmail.com> writes:

> Eli Zaretskii <eliz@gnu.org> writes:
>
>>> From: João Távora <joaotavora@gmail.com>
>>> Cc: 34394@debbugs.gnu.org,  schwab@linux-m68k.org
>>> Date: Sat, 09 Feb 2019 13:23:06 +0000
>>> 
>>>    (gdb) p globals.f_Vquit_flag 
>>>    $3 = XIL(0xc750)
>>>    (gdb) xsymbol
>>>    $4 = (struct Lisp_Symbol *) 0x555555ce94d0 <lispsym+51024>
>>>    "t"
>>
>> Thanks.  So my theory eats dust.  Hmm...  I wonder if you could come
>> up with a simpler reproducer, perhaps in "emacs -nw" (which many times
>> tends to make such problems more prominent and simpler to reproduce)?
>
> OK with emacs -nw, and attaching a gdb to the PID I got a new, slightly
> different, backtrace, attached.  It now breaks on a SIGINT.

Never mind, when I do this I have an automatic breakpoint on C-g for
some reason, and that's what you are seeing.  Will try to disable it to
reproduce the actual bug.

João