remove :is attribute even when component is cached (fixes vuejs#2666) (vuejs#2672)

GuillaumeLeclerc · yyx990803 · commit e3057f22b38a · 2016-04-15T14:05:17.000-04:00
diff --git a/src/directives/internal/component.js b/src/directives/internal/component.js
@@ -56,6 +56,7 @@ export default {
       // cached, when the component is used elsewhere this attribute
       // will remain at link time.
       this.el.removeAttribute('is')
+      this.el.removeAttribute(':is')
       // remove ref, same as above
       if (this.descriptor.ref) {
         this.el.removeAttribute('v-ref:' + hyphenate(this.descriptor.ref))
