[issue40521] [subinterpreters] Make free lists and unicode caches per-interpreter

[STINNER Victor]

Change by STINNER Victor <vstinner at python.org>:


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components: +Subinterpreters -Interpreter Core
title: Make tuple, dict, frame free lists, unicode interned strings, unicode latin1 singletons per-interpreter -> [subinterpreters] Make free lists and unicode caches per-interpreter

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40521>
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