[issue21377] PyBytes_Concat could try to concat in-place

[Roundup Robot]

Roundup Robot added the comment:

New changeset 4ed1b6c7e2f3 by Antoine Pitrou in branch 'default':
Issue #21377: PyBytes_Concat() now tries to concatenate in-place when the first argument has a reference count of 1.
http://hg.python.org/cpython/rev/4ed1b6c7e2f3

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nosy: +python-dev

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue21377>
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