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

[João Távora]

On Sat, Feb 9, 2019 at 3:22 PM Eli Zaretskii <eliz@gnu.org> wrote:
>
> > From: João Távora <joaotavora@gmail.com>
> > Cc: 34394@debbugs.gnu.org,  schwab@linux-m68k.org
> > Date: Sat, 09 Feb 2019 14:13:52 +0000
> >
> > So I disabled SIGINT for gdb and let it go to Emacs for keyboard-quit.
> > I reproduced with -nw, here's the backtrace.
>
> Is it possible that somehow sit_for is called recursively in this
> scenario?  If you put a breakpoint in sit_for, does it break when bt
> shows another instance of sit_for up the call-stack?
>
> We need to establish who clobbers the jump_buf being used to implement
> quitting by C-g.

The problem is that if I place a breakpoint there I can't work with company
at all.  So I can't reproduce the problem.

Or maybe I misunderstood.
-- 
João Távora