[issue26496] Exhausted deque iterator should free a reference to a deque

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

This should be not very hard. It is just reminder to me, I'll write a patch after closing related issue26494 and issue26492.

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dependencies: +Double deallocation on iterator exhausting

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue26496>
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