Multiple reads can cause performance issues with slow properties

It seems that the current value of MemberValueAnnotation is not being cached although that was the original intention in this class.

changed milestone to %9.14

added Bug Performance labels

mentioned in merge request !879 (merged)

added flow::Merge Requested label

mentioned in commit 23d6b9c5

closed with merge request !879 (merged)

mentioned in merge request !881 (merged)