Address review comments

Author: markshannon

Doc/c-api/typeobj.rst

@@ -2552,6 +2552,13 @@ and :c:data:`PyType_Type` effectively act as defaults.)
    .. versionadded:: 3.12
 
 
+.. c:member:: iteritemfunc PyTypeObject.tp_iteritem
+
+   Internal. Do not use.
+
+   .. versionadded:: 3.15
+
+
 .. _static-types:
 
 Static Types

Include/cpython/object.h

@@ -229,8 +229,8 @@ struct _typeobject {
 
     destructor tp_finalize;
     vectorcallfunc tp_vectorcall;
-    iteritemfunc tp_iteritem; /* Virtual iterator next function */
 
+    /* Below here all fields are internal to the VM */
 
     /* bitset of which type-watchers care about this type */
     unsigned char tp_watched;
@@ -241,6 +241,7 @@ struct _typeobject {
      * Otherwise, limited to MAX_VERSIONS_PER_CLASS (defined elsewhere).
      */
     uint16_t tp_versions_used;
+    iteritemfunc tp_iteritem; /* Virtual iterator next function */
 };
 
 #define _Py_ATTR_CACHE_UNUSED (30000)  // (see tp_versions_used)