[issue31626] Writing in freed memory in _PyMem_DebugRawRealloc() after shrinking a memory block

[Serhiy Storchaka]

Change by Serhiy Storchaka <storchaka+cpython at gmail.com>:


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pull_requests: +4179

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue31626>
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