Ticket #10381: 10381.3.diff

wp-includes/post.php

@@ -3634 +3634 @@
                         break;
                 $id = $_post->ancestors[] = $ancestor;
         }
+        
+        global $_wp_using_ext_object_cache;
+        // force a refresh of the cache in case memcached is used
+        if ( $_wp_using_ext_object_cache )
+                wp_cache_delete($_post->ID, 'posts');
 }
 
 /**