Re: 23.0.60; Crash in face_at_buffer_position

[Chong Yidong]

>> Most likely the SIGSEGV is nothing more than stack-overflow because of
>> "infinite" recursion and the bug is probably not in
>> face_at_buffer_position.
>
> But how can I see where it is? The parameters to
> face_at_buffer_position looks strange. Maybe that is something useful?

It might be that the code in xdisp.c could be rewritten to avoid the
risk of buffer overflow.  Could you send a reproducible crash recipe, if
possible?