[issue39492] reference cycle affecting Pickler instances (Python3.8+)

Antoine Pitrou added the comment: New changeset 17236873392533ce0c5d7bbf52cbd61bca171c59 by Antoine Pitrou in branch '3.8': [3.8] bpo-39492: Fix a reference cycle between reducer_override and a Pickler instance (GH-18266) (#18316)

[issue39492] reference cycle affecting Pickler instances (Python3.8+)

Antoine Pitrou added the comment: Thank you for the PR! -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker ___

[issue39492] reference cycle affecting Pickler instances (Python3.8+)

Change by Antoine Pitrou : -- pull_requests: +17692 pull_request: https://github.com/python/cpython/pull/18316 ___ Python tracker ___

[issue39492] reference cycle affecting Pickler instances (Python3.8+)

miss-islington added the comment: New changeset 0f2f35e15f9fbee44ce042b724348419d8136bc5 by Pierre Glaser in branch 'master': bpo-39492: Fix a reference cycle between reducer_override and a Pickler instance (GH-18266)

[issue39492] reference cycle affecting Pickler instances (Python3.8+)

Change by Pierre Glaser : -- keywords: +patch pull_requests: +17643 stage: -> patch review pull_request: https://github.com/python/cpython/pull/18266 ___ Python tracker ___

[issue39492] reference cycle affecting Pickler instances (Python3.8+)

New submission from Pierre Glaser : The new Pickler reducer_override mechanism introduced in `Python3.8` generates a reference cycle: for optimization purposes, a the pickler.reducer_override bound method is referenced into the reducer_override attribute of the Pickler's struct. Thus, until