Ticket #25972: 25972.diff

src/wp-includes/js/admin-bar.js

@@ -22 +22 @@
 
                                 if ( !el.hasClass('hover') ) {
                                         e.preventDefault();
-                                        adminbar.find('li.menupop.hover').removeClass('hover');
+                                        adminbar.find('li.menupop.hover').not( el.parents('.menupop') ).removeClass('hover');
                                         el.addClass('hover');
                                 }