a property declared in a base class may be overriden
with a parameter in a subclass. this is already allowed.
if then, in the subsubclass it is overridden by a bare value,
it fails.
Patchset 1: add a test for this
Patchset 4: add the fix
Change-Id: Ia5a26076a9ee98439932643a03878342d56f8396
Reviewed-on: https://forge.frm2.tum.de/review/c/secop/frappy/+/35932
Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch>
Tested-by: Jenkins Automated Tests <pedersen+jenkins@frm2.tum.de>