[issue18372] _Pickler_New() doesn't call PyObject_GC_Track(self)

[Serhiy Storchaka]

Serhiy Storchaka <storchaka+cpython at gmail.com> added the comment:

Tracking objects that do not need this will just add work to the garbage collector. Not all instances of trackable types should be tracked, for example the empty tuple and some dicts are not tracked.

>>> gc.is_tracked(())
False
>>> gc.is_tracked((1, 2))
True
>>> gc.is_tracked({1: None})
False
>>> gc.is_tracked({1: []})
True

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue18372>
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