Index: wp-includes/comment-template.php
===================================================================
--- wp-includes/comment-template.php	(revision 9711)
+++ wp-includes/comment-template.php	(working copy)
@@ -978,7 +978,8 @@
  * @return string|bool|null Link to show comment form, if successful. False, if comments are closed.
  */
 function comment_reply_link($args = array(), $comment = null, $post = null) {
-	echo get_comment_reply_link($args, $comment, $post);
+	if (comments_open($post))
+		echo get_comment_reply_link($args, $comment, $post);
 }
 
 /**