[issue17927] Argument copied into cell still referenced by frame

[Martin Morrison]

Martin Morrison added the comment:

Our usage of Python would certainly benefit from the backport.

We are embedding Python 3.3 in a system with requirements that lead us to disable the gc in most cases, so cycles are an obvious problem for us. Cycles created inadvertently, such as this, are the biggest problem. We would probably backport the fix anyway, but would prefer not to carry patches and instead pick up fixes via 3.3.x releases.

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<http://bugs.python.org/issue17927>
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