Address CR comments

bwoebi · bwoebi · commit b740dfd6668f · 2023-05-16T12:51:42.000+02:00
Signed-off-by: Bob Weinand &lt;bobwei9@hotmail.com&gt;
diff --git a/Zend/zend_types.h b/Zend/zend_types.h
@@ -533,7 +533,7 @@ typedef uint32_t HashPosition;
 typedef struct _HashTableIterator {
 	HashTable    *ht;
 	HashPosition  pos;
-	uint32_t      next_copy;
+	uint32_t      next_copy; // circular linked list via index into EG(ht_iterators)
 } HashTableIterator;
 
 struct _zend_object {
