Ticket #22671: 22671.diff

src/wp-includes/post.php

@@ -838 +838 @@
                 // Inherit status from the parent
                 if ( $post->post_parent && ( $post->ID != $post->post_parent ) ) {
                         $parent_post_status = get_post_status( $post->post_parent );
-                        if ( 'trash' == $parent_post_status ) {
+                        if ( 'trash' === $parent_post_status ) {
                                 return get_post_meta( $post->post_parent, '_wp_trash_meta_status', true );
+                        } elseif ( 'auto-draft' === $parent_post_status ) {
+                                return 'publish';
                         } else {
                                 return $parent_post_status;
                         }