[issue19816] test.regrtest: use tracemalloc to detect memory leaks?

[STINNER Victor]

STINNER Victor added the comment:

regrtest.patch is a work-in-progress patch. It shows the "top 10" when the -R option is used, ex: "python -m test -R 3:3 test_sys".

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nosy: +sahutd

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<http://bugs.python.org/issue19816>
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