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

[Eli Zaretskii]

> From: João Távora <joaotavora@gmail.com>
> Cc: 34394@debbugs.gnu.org, schwab@linux-m68k.org
> Date: Sat, 09 Feb 2019 09:45:13 +0000
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > When this happens, what is the value of Vquit_flag, in Lisp terms?  Is
> > it t or something else?
> 
> I can't tell exactly.

I meant to ask that you examine the value in GDB.  Sorry if I didn't
make that clear enough.

> I believe this happens in *some* of the times I ress C-g during the
> (while (sit-for)) in the following block extracted from sly.el

You said the code uses while-no-input, which is why I asked.  Maybe we
get confused by the trickery used by while-no-input.

Btw, does this happen only on master, otr is it reproducible on
emacs-26 as well?