[issue33608] [subinterpreters] Add a cross-interpreter-safe mechanism to indicate that an object may be destroyed.

[Eric Snow]

Change by Eric Snow <ericsnowcurrently at gmail.com>:


----------
keywords: +patch
pull_requests: +8758
stage: needs patch -> patch review

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue33608>
_______________________________________