[issue4170] segfault with defaultdict and pickle

[Erick Tryzelaar]

New submission from Erick Tryzelaar <idadesub at users.sourceforge.net>:

It seems like there's a bug with defaultdict. This is segfaulting with 
the latest python 3.0 svn checkout:

import collections, pickle
d=collections.defaultdict(int)
d[1]
pickle.dumps(d)


It errors out with:

Assertion failed: (PyIter_Check(iter)), function PyIter_Next, file 
Objects/abstract.c, line 2751.
zsh: abort      /tmp/python/bin/python3.0 foo.py

----------
components: Library (Lib)
messages: 75073
nosy: erickt
severity: normal
status: open
title: segfault with defaultdict and pickle
type: crash
versions: Python 3.0

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue4170>
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