Steps to Reproduce

1. Submit a PR.

Current Behavior

https://jenkins.mono-project.com/job/z4/41/console
03:24:25.859 ves_icall_TypeBuilder_create_runtime_class_raw USED 132 handles

Expected Behavior

Not sure.
Preferably no "warnings".
This might or might not be a bug.

On which platforms did you notice this

Windows amd64 interpreter