Ticket #35368: 35368.diff

src/wp-includes/post.php

@@ -4291 +4291 @@
  * @return string|false Page URI, false on error.
  */
 function get_page_uri( $page ) {
-        $page = get_post( $page );
+        if ( ! $page instanceof WP_Post ) {
+                $page = get_post( $page );
+        }
 
         if ( ! $page )
                 return false;