changed MAP_IS_NATIVE to allow for objects that have their own jsObjectOps but still use the slots in the 'normal' manner (this is necessary for XPConnect) - same change as made on SpiderMonkey140_BRANCH

js/src/jsobj.h

@@ -142,8 +142,9 @@ struct JSObject {
     ((JSClass *)JSVAL_TO_PRIVATE(OBJ_GET_SLOT(cx, obj, JSSLOT_CLASS)))
 
 /* Test whether a map or object is native. */
-#define MAP_IS_NATIVE(map)  ((map)->ops == &js_ObjectOps || \
-                             (map)->ops == &js_WithObjectOps)
+#define MAP_IS_NATIVE(map)  \
+        ((map)->ops == &js_ObjectOps || \
+         ((map)->ops && (map)->ops->newObjectMap == js_ObjectOps.newObjectMap))
 #define OBJ_IS_NATIVE(obj)  MAP_IS_NATIVE((obj)->map)
 
 extern JS_FRIEND_DATA(JSObjectOps) js_ObjectOps;