[issue22986] Improved handling of __class__ assignment

[Benjamin Peterson]

Benjamin Peterson added the comment:

Why do you have all these special cases of ref-counting based on Py_TPFLAGS_HEAPTYPE? "static" types are generally ref-counted, too. (They just hopefully don't reach 0 often. :))

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue22986>
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