fix vuejs#247 native filters improperly being flagged as computed

Evan You · Evan You · commit 489ded41b39a · 2014-04-25T13:20:06.000-04:00
diff --git a/src/main.js b/src/main.js
@@ -106,7 +106,10 @@ function extend (options) {
     }
 
     // inherit options
-    options = inheritOptions(options, ParentVM.options, true)
+    // but only when the super class is not the native Vue.
+    if (ParentVM !== ViewModel) {
+        options = inheritOptions(options, ParentVM.options, true)
+    }
     utils.processOptions(options)
 
     var ExtendedVM = function (opts, asParent) {
