Ticket #29431: 29431.patch

src/wp-includes/canonical.php

@@ -115 +115 @@
                 $id = max( get_query_var('p'), get_query_var('page_id'), get_query_var('attachment_id') );
                 if ( $id && $redirect_post = get_post($id) ) {
                         $post_type_obj = get_post_type_object($redirect_post->post_type);
-                        if ( $post_type_obj->public ) {
+                        if ( $post_type_obj->public && 'auto-draft' != $redirect_post->post_status ) {
                                 $redirect_url = get_permalink($redirect_post);
                                 $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type' ), $redirect_url );
                         }