Re: [PATCH/RFC] Work around GCC compiler bugs in frame.c

[Andrew Cagney <cagney at gnu dot org>]

> I've always considered functions return a struct (as opposed to a
> pointer to a struct) bad programming style, but now I know why.  The
> following code in frame.c triggers a bug in the system compiler on
> OpenBSD/vax (which is basically GCC 2.95.3 with some local patches):
>
>       && frame_id_eq (get_frame_id (this_frame),
>                       get_frame_id (this_frame->next))

Would introducing frame_eq(), frame_inner() be more robust?  Either way 
you'll likely want to add a comment.

Andrew

(I knew that there had been a bug but no one I asked could remember or 
demonstrate it.).