GH-127705: Revert "Move mortal decrefs to internal header and make sure _PyReftracerTrack is called"

[encukou]

This reverts commit fd545d7,
which broke Py_TRACE_REFS builds.

• Issue: Use tagged pointers on the stack in the default build. #127705

[colesbury]

This is easy to fix. _Py_Dealloc() is responsible for _Py_ForgetReference() so we only should include it manually if we're not going to call _Py_Dealloc().

diff --git a/Include/internal/pycore_object.h b/Include/internal/pycore_object.h index 08cbfe46b0d..30b88404bbe 100644 --- a/Include/internal/pycore_object.h+++ b/Include/internal/pycore_object.h@@ -445,9 +445,6 @@ static inline void Py_DECREF_MORTAL(const char *filename, int lineno, PyObject * _Py_DECREF_DecRefTotal()} if (--op->ob_refcnt == 0){-#ifdef Py_TRACE_REFS- _Py_ForgetReference(op);-#endif _Py_Dealloc(op)} }

[markshannon]

Thanks Sam

#131508

[vstinner]

Issue fixed by 684a759, this revert is no longer needed.