[issue26194] Undefined behavior for deque.insert() when len(d) == maxlen

[Roundup Robot]

Roundup Robot added the comment:

New changeset 7dabb94bdf63 by Raymond Hettinger in branch '3.5':
Issue #26194:  Inserting into a full deque to raise an IndexError
https://hg.python.org/cpython/rev/7dabb94bdf63

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue26194>
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