Re: EXC_BAD_ACCESS on Mac

[Eli Zaretskii]

> Date: Tue, 18 Jun 2013 04:37:55 +0900 (JST)
> From: Kazu Yamamoto (山本和彦) <address@hidden>
> 
> >   #1  0x000000010001b44d in fill_glyph_string (s=0x10c408758, 
> > face_id=1606399872, start=1606399888, end=1606399828, overlaps=677) at 
> > xdisp.c:22766
> >   #2  0x000000010001bded in draw_glyphs (w=0x10c408758, x=8, 
> > row=0x7fff5fbfb790, area=1606399828, start=677, end=677, 
> > hl=DRAW_NORMAL_TEXT, overlaps=0) at xdisp.c:23384
> > 
> > So please look around and see what is going on in this glyph string.
> 
> Please tell me how draw_glyphs should behave in the case where start
> and end are the same value?

This shouldn't happen at all.  And I don't see how that can happen in
this case, since this frame:

> #3  0x00000001000205fd in expose_area (w=0x10c408c68, row=0x2a5, 
> r=0x7fff5fbfbbc8, area=1606399828) at xdisp.c:28166

calls draw_glyphs with start set to zero.