Index: wp-includes/css/admin-bar.css
===================================================================
--- wp-includes/css/admin-bar.css	(revision 36372)
+++ wp-includes/css/admin-bar.css	(working copy)
@@ -387,6 +387,8 @@
 	min-width: 198px;
 }
 
+#wp-admin-bar-my-account > .ab-item { overflow: hidden; }
+
 #wp-admin-bar-my-account > .ab-item:before {
 	content: "\f110";
 	top: 2px;