Ticket #8863: 8863.patch

wp-includes/comment.php

@@ -1116 +1116 @@
                         return false;
         }
 
+        $comment_old = get_comment($comment_id);
+
         if ( !$wpdb->update( $wpdb->comments, array('comment_approved' => $status), array('comment_ID' => $comment_id) ) ) {
                 if ( $wp_error )
                         return new WP_Error('db_update_error', __('Could not update comment status'), $wpdb->last_error);
@@ -1128 +1130 @@
         $comment = get_comment($comment_id);
 
         do_action('wp_set_comment_status', $comment_id, $comment_status);
-        wp_transition_comment_status($comment_status, $comment->comment_approved, $comment);
+        wp_transition_comment_status($comment_status, $comment_old->comment_approved, $comment);
 
         wp_update_comment_count($comment->comment_post_ID);