Ticket #15963: 15963.4.2.diff

src/wp-includes/post-functions.php

@@ -4186 +4186 @@
         $uri = $page->post_name;
 
         foreach ( $page->ancestors as $parent ) {
-                $uri = get_post( $parent )->post_name . '/' . $uri;
+                if ( 'publish' === get_post_status( $parent ) ) {
+                        $uri = get_post( $parent )->post_name . '/' . $uri;
+                }
         }
 
         return $uri;