From 060aa5ba0b3bf6f03438bc2819117f0d763618c6 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Thu, 15 Jan 2015 19:29:41 +1100
Subject: [PATCH] fix rest parameter check in types.isReferenced

---
 lib/6to5/types/index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/6to5/types/index.js b/lib/6to5/types/index.js
index 75270807bf..a969003eaf 100644
--- a/lib/6to5/types/index.js
+++ b/lib/6to5/types/index.js
@@ -231,7 +231,7 @@ t.isReferenced = function (node, parent) {
     if (_.contains(parent.params, node)) return false;
 
     // we're a rest parameter
-    if (_.contains(parent.params, node)) return false;
+    if (parent.rest === node) return false;
   }
 
   if (t.isMethodDefinition(parent) && parent.key === node && !parent.computed) {