Index: wp-admin/comment.php
===================================================================
--- wp-admin/comment.php	(revision 11791)
+++ wp-admin/comment.php	(working copy)
@@ -44,7 +44,7 @@
 	if ( !current_user_can('edit_post', $comment->comment_post_ID) )
 		comment_footer_die( __('You are not allowed to edit comments on this post.') );
 
-	if ( 'trash' == $comment->comment_status )
+	if ( !empty($comment->comment_status) && 'trash' == $comment->comment_status )
 		comment_footer_die( __('This comment is in the Trash. Please move it out of the Trash if you want to edit it.') );
 	
 	$comment = get_comment_to_edit( $comment_id );