[issue9141] Allow objects to decide if they can be collected by GC

[Daniel Stutzbach]

Daniel Stutzbach <daniel at stutzbachenterprises.com> added the comment:

Yes, I see your point.  Even if more expensive than strictly necessary, the cost should be swamped by other existing costs.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue9141>
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