[issue32453] shutil.rmtree can have O(n^2) performance on large dirs

[Serhiy Storchaka]

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


Added file: https://bugs.python.org/file47355/bench_rmtree.py

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue32453>
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