[issue1621] Do not assume signed integer overflow behavior

[Roundup Robot]

Roundup Robot added the comment:

New changeset dd2c7d497878 by Martin Panter in branch '3.5':
Issues #1621, #29145: Test for str.join() overflow
https://hg.python.org/cpython/rev/dd2c7d497878

New changeset eb6eafafdb44 by Martin Panter in branch 'default':
Issue #1621: Overflow should not be possible in listextend()
https://hg.python.org/cpython/rev/eb6eafafdb44

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue1621>
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