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Commitbca4890

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[3.12]gh-127599: Fix _Py_RefcntAdd missing calls to _Py_INCREF_STAT_INC/_Py_INCREF_IMMORTAL_STAT_INC (GH-127717) (#128712)
Previously, `_Py_RefcntAdd` hasn't called`_Py_INCREF_STAT_INC/_Py_INCREF_IMMORTAL_STAT_INC` which is incorrect.Now it has been fixed.(cherry picked from commitab05beb)
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‎Include/internal/pycore_object.h‎

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@@ -65,6 +65,11 @@ static inline void _Py_RefcntAdd(PyObject* op, Py_ssize_t n)
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_Py_AddRefTotal(_PyInterpreterState_GET(),n);
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#endif
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op->ob_refcnt+=n;
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// Although the ref count was increased by `n` (which may be greater than 1)
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// it is only a single increment (i.e. addition) operation, so only 1 refcnt
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// increment operation is counted.
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_Py_INCREF_STAT_INC();
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}
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#define_Py_RefcntAdd(op,n) _Py_RefcntAdd(_PyObject_CAST(op), n)
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Fix statistics for increments of object reference counts (in particular, when
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a reference count was increased by more than 1 in a single operation).

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