New tests identical to boom and boom2, except using new-style classes. These never failed in 2.3, and the tests confirm it.  They still blow up in the 2.2 branch, despite that all the gc-vs-__del__ fixes from 2.3 have been backported (and this is expected -- 2.2 needs more work than 2.3 needed).
New tests identical to boom and boom2, except using new-style classes.
These never failed in 2.3, and the tests confirm it.  They still blow up
in the 2.2 branch, despite that all the gc-vs-__del__ fixes from 2.3
have been backported (and this is expected -- 2.2 needs more work than
2.3 needed).

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator