Call clean_post_cache() in wp_insert_post() after the manual query to change GUID. Remove the second call to clean_post_cache() previously done on the save_post hook. see #11399.

git-svn-id: https://develop.svn.wordpress.org/trunk@21943 602fd350-edb4-49c9-b593-d223f7449a82

wp-includes/deprecated.php

@@ -3244,3 +3244,11 @@ function user_pass_ok($user_login, $user_pass) {
 
 	return true;
 }
+
+/**
+ * Callback formerly fired on the save_post hook. No longer needed.
+ *
+ * @since 2.3.0
+ * @deprecated 3.5.0
+ */
+function _save_post_hook() {}