Ticket #27831: 27831.1.patch

src/wp-includes/admin-bar.php

@@ -917 +917 @@
 
         $awaiting_mod  = wp_count_comments();
         $awaiting_mod  = $awaiting_mod->moderated;
+
+        if ( 0 === $awaiting_mod ) {
+                return;
+        }
+
         $awaiting_text = sprintf(
                 /* translators: %s: Number of comments. */
                 _n( '%s Comment in moderation', '%s Comments in moderation', $awaiting_mod ),