extra test to ensure traits virtualize ok
trying to do https://github.com/scala-lms/summer-of-lms-2014/commit/46313475724f79c9a6772dbbb442bd4f32400875 but failing
Fix for the virtualized default asInstanceOf.
Merge pull request #1 from vjovanov/scala-virtualized-fix

Fix for the default `asInstanceOf` virtualization.
Merge pull request #35 from namin/scala-virtualized

Scala virtualized