Ticket #21344: comments-table-hook-patch.diff

wp-admin/includes/class-wp-comments-list-table.php

@@ -224 +224 @@
                         ?>
                         </select>
 <?php
+                        do_action( 'restrict_manage_comments' ); //be able to add hooks like class-wp-posts-list-table.php
                         submit_button( __( 'Filter' ), 'secondary', false, false, array( 'id' => 'post-query-submit' ) );
                 }