Ticket #41180: 41180.diff

src/wp-load.php

@@ -18 +18 @@
 
 /** Define ABSPATH as this file's directory */
 if ( ! defined( 'ABSPATH' ) ) {
-        define( 'ABSPATH', dirname( __FILE__ ) . '/' );
+        define( 'ABSPATH', ('/' === dirname( __FILE__ )) ? dirname( __FILE__ ) : dirname( __FILE__ ) . '/' );
 }
 
 error_reporting( E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR );