bug#22818: 25.1.1 Emacs.app crash ns_compute_glyph_string_overhangs

[Alan Third]

On Sat, Nov 19, 2016 at 09:27:52PM +0200, Eli Zaretskii wrote:
> > 
> > (gdb) p lface_id_to_name[17]
> > $1 = 31008
> > (gdb) xsymbol
> > $2 = (struct Lisp_Symbol *) 0x7ab8
> > Cannot access memory at address 0x7ac0
> > (gdb) p next_lface_id
> > $3 = 84
> 
> Strange.  What about other indices between zero and 83?  Are they all
> invalid symbols like this one?

As far as I can see, yes.
-- 
Alan Third