Ticket #14949: no-false-logout-message.14949.diff

wp-login.php

@@ -534 +534 @@
         $user = wp_signon('', $secure_cookie);
 
         $redirect_to = apply_filters('login_redirect', $redirect_to, isset( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : '', $user);
+        
+        if ( is_wp_error( $user ) && is_user_logged_in() ) {
+                $user = wp_get_current_user();
+        }
 
         if ( !is_wp_error($user) && !$reauth ) {
                 if ( $interim_login ) {