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bpo-32388: Remove cross-version binary compatibility requirement in tp_flags (GH-4944)

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It is now allowed to add new fields at the end of the PyTypeObject struct without having to allocate a dedicated compatibility flag in tp_flags.

This will reduce the risk of running out of bits in the 32-bit tp_flags value.
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Antoine Pitrou 2019-05-29 22:12:38 +02:00 • committed by GitHub
parent 43fdbd2729
commit ada319bb6d
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18 changed files with 52 additions and 51 deletions
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Modules/gcmodule.c
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@ -858,7 +858,6 @@ finalize_garbage(PyGC_Head *collectable)
PyObject *op = FROM_GC(gc);
gc_list_move(gc, &seen);
if (!_PyGCHead_FINALIZED(gc) &&
PyType_HasFeature(Py_TYPE(op), Py_TPFLAGS_HAVE_FINALIZE) &&
(finalize = Py_TYPE(op)->tp_finalize) != NULL) {
_PyGCHead_SET_FINALIZED(gc);
Py_INCREF(op);