Ticket #27795: 27795.patch

src/wp-admin/includes/post.php

@@ -112 +112 @@
                 if ( ! in_array( $previous_status, $published_statuses ) || !current_user_can( 'edit_post', $post_id ) )
                         $post_data['post_status'] = 'pending';
 
-        if ( ! isset($post_data['post_status']) )
-                $post_data['post_status'] = $previous_status;
+        if ( ! isset( $post_data['post_status'] ) ) {
+                $post_data['post_status'] = 'auto-draft' === $previous_status ? 'draft' : $previous_status;
+        }
 
         if ( isset( $post_data['post_password'] ) && ! current_user_can( $ptype->cap->publish_posts ) ) {
                 unset( $post_data['post_password'] );