Ticket #36371: 36371.patch

src/wp-includes/deprecated.php

@@ -3747 +3747 @@
  * @return string The base URL.
  */
 function _wp_upload_dir_baseurl() {
+        _deprecated_function( __FUNCTION__, '4.5' );
         $upload_dir = wp_get_upload_dir();
         return $upload_dir['baseurl'];
 }