I will see if I can reproduce it once I get back to a real computer in January. 

On Friday, December 25, 2015, Lars Ingebrigtsen <larsi@gnus.org> wrote:
David Reitter <david.reitter@gmail.com> writes:

> X-Debbugs-CC: Robert Goldman <rpgoldman@sift.info>
>
> I received the crash report below from a user.
> After some inspection, I think this happens in ns_select (nsterm:3748):
>
>   if (++apploopnr != 1)
>     {
>       emacs_abort ();
>     }
>
> The code below actually reproduces a crash similar to this (when opening a menu after evaluating the code), even though I have no idea where actual code would do such a thing.  I think the reporting user has SLIME installed.
>
> (define-key-after menu-bar-file-menu [kill-buffer]
>   `(menu-item "test"
>             'test-menu
>             :enable (accept-process-output (first (process-list)) 0 100))
>   'separator-save)

Is this still a problem in Emacs 25?

--
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no