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[3.13] GH-91636: Clear weakrefs created by finalizers. (GH-136401) #144214

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[3.13] GH-91636: Clear weakrefs created by finalizers. (GH-136401) #144214

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@sergey-miryanov sergey-miryanov commented Jan 24, 2026 •
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Weakrefs to unreachable garbage that are created during running of finalizers need to be cleared. This avoids exposing objects that have tp_clear called on them to Python-level code. (cherry picked from commit b6b99bf)

@sergey-miryanov @nascheme
[3.13] pythonGH-91636: Clear weakrefs created by finalizers. (pythonG…
41fd1aa 
…H-136401)

Weakrefs to unreachable garbage that are created during running of
finalizers need to be cleared.  This avoids exposing objects that
have `tp_clear` called on them to Python-level code.
(cherry picked from commit b6b99bf)

Co-authored-by: Neil Schemenauer <nas-github@arctrix.com>
@bedevere-app bedevere-app bot mentioned this pull request Jan 24, 2026
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@bedevere-app bedevere-app bot mentioned this pull request Jan 24, 2026
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