Ticket #21580: 21580.diff

wp-includes/post.php

@@ -2812 +2812 @@
  * @return null Nothing is returned. Which can mean that no action is required or post was published.
  */
 function check_and_publish_future_post($post_id) {
-
+        global $post;
         $post = get_post($post_id);
 
         if ( empty($post) )