Ticket #58368: wp-comment-query-get-comment-count-no-orderby.patch

wp-includes/class-wp-comment-query.php

@@ -959 +959 @@
                 $this->sql_clauses['select']  = "SELECT $found_rows $fields";
                 $this->sql_clauses['from']    = "FROM $wpdb->comments $join";
                 $this->sql_clauses['groupby'] = $groupby;
-                $this->sql_clauses['orderby'] = $orderby;
+                if ( !$this->query_vars['count'] )
+                        $this->sql_clauses['orderby'] = $orderby;
                 $this->sql_clauses['limits']  = $limits;
 
                 $this->request = "