bug#21438: 25.0.50; GUD locals frame/window doesn't shows struct values as nil

[Eli Zaretskii]

> From: Tassilo Horn <tsdh@gnu.org>
> Cc: 21438@debbugs.gnu.org
> Date: Wed, 09 Sep 2015 17:10:10 +0200
> 
> >> I'm not actually sure if it would be benefitical to use --all-values
> >> even if that regexp matching error was fixed because the structs can be
> >> really large.  But at least the value should not be shown as "nil" but
> >> as "<non-simple value>" or something else which makes it obvious that
> >> the displayed value is not the real value.
> >
> > Like the patch below?  If you think it's OK, I will push it.
> 
> Yes, that's exactly what I had in mind.

Thanks, pushed.