Re: EXC_BAD_ACCESS on Mac

[山本和彦]

> It could be because of this code in draw_glyphs:
> 
>   /* Let's rather be paranoid than getting a SEGV.  */
>   end = min (end, row->used[area]);
>   start = clip_to_bounds (0, start, end);
> 
> Even if 'start < end' before this code
> is executed, it could be that start == end afterwards.

Oh, you are right.

> What happens if you apply the following patch and compile
> with -DENABLE_CHECKING?

Thanks you for the patch. I compiled Emacs with:
        ./configure --with-ns --enable-checking

Let me see what will happen.

--Kazu