[issue27507] bytearray.extend lacks overflow check when increasing buffer

[Roundup Robot]

Roundup Robot added the comment:

New changeset 54cc0480904c by Martin Panter in branch '3.5':
Issue #27507: Check for integer overflow in bytearray.extend()
https://hg.python.org/cpython/rev/54cc0480904c

New changeset 6e166b66aa44 by Martin Panter in branch '2.7':
Issue #27507: Check for integer overflow in bytearray.extend()
https://hg.python.org/cpython/rev/6e166b66aa44

New changeset 646ad4894c32 by Martin Panter in branch 'default':
Issue #27507: Merge overflow check from 3.5
https://hg.python.org/cpython/rev/646ad4894c32

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nosy: +python-dev

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<http://bugs.python.org/issue27507>
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