[issue31174] test_tools leaks randomly references on x86 Gentoo Refleaks 3.6 and 3.x

[Serhiy Storchaka]

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


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pull_requests: +4112

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue31174>
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