[3.9] bpo-46070: _PyGC_Fini() untracks objects (GH-30577) - #30580
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Py_EndInterpreter() now explicitly untracks all objects currently tracked by the GC. Previously, if an object was used later by another interpreter, calling PyObject_GC_UnTrack() on the object crashed if the previous or the next object of the PyGC_Head structure became a dangling pointer. (cherry picked from commit 1a4d1c1)
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release: - https://www.python.org/downloads/release/python-3913/ changelog: - https://docs.python.org/release/3.9.13/whatsnew/changelog.html upstream fix for dropped patch - python/cpython#80254 - python/cpython#11984 - python/cpython#90228 - python/cpython#92036 - python/cpython#92037 - python/cpython#92297 - bpo-36073 - was - python/cpython#30579 - python/cpython#30580
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Py_EndInterpreter() now explicitly untracks all objects currently
tracked by the GC. Previously, if an object was used later by another
interpreter, calling PyObject_GC_UnTrack() on the object crashed if
the previous or the next object of the PyGC_Head structure became a
dangling pointer.
(cherry picked from commit 1a4d1c1)
https://bugs.python.org/issue46070