[issue7105] weak dict iterators are fragile because of unpredictable GC runs

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

This new patch makes it possible to mutate the dict without messing with
the delayed removal when an iterator exists.

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Added file: http://bugs.python.org/file15112/weakiter2.patch

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<http://bugs.python.org/issue7105>
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