Mark Shannon 8319114fee bpo-45947: Place dict and values pointer at fixed (negative) offset just before GC header. (GH-29879) ... * Place __dict__ immediately before GC header for plain Python objects. * Fix up lazy dict creation logic to use managed dict pointers. * Manage values pointer, placing them directly before managed dict pointers. * Convert hint-based load/store attr specialization target managed dict classes. * Specialize LOAD_METHOD for managed dict objects. * Remove unsafe _PyObject_GC_Calloc function. * Remove unsafe _PyObject_GC_Malloc() function. * Add comment explaning use of Py_TPFLAGS_MANAGED_DICT.		2021-12-07 16:02:53 +00:00
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libpython.py	bpo-45947: Place dict and values pointer at fixed (negative) offset just before GC header. (GH-29879)	2021-12-07 16:02:53 +00:00