Latest upstream version is 2.6, https://github.com/easymock/objenesis/releases
It is used by easymock 3.5
Fixed in objenesis-2.6-1
I believe that this feature is included in objenesis-2.6-1,
which is available in Fedora Rawhide, so I am closing this bug now.
The build which includes the feature can be found at Koji: