[issue40255] Fixing Copy on Writes from reference counting and immortal objects

[Eddie Elizondo]

Change by Eddie Elizondo <eduardo.elizondorueda at gmail.com>:


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pull_requests: +29620
pull_request: https://github.com/python/cpython/pull/31490

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40255>
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