From a3b814a8973ce19b920b896646f7d092f6eb499a Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Wed, 14 Jan 2015 18:46:36 +1100
Subject: [PATCH] fix default parameters closure scope

---
 lib/6to5/transformation/transformers/es6-default-parameters.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/6to5/transformation/transformers/es6-default-parameters.js b/lib/6to5/transformation/transformers/es6-default-parameters.js
index db82d8e2d4..674c1096dc 100644
--- a/lib/6to5/transformation/transformers/es6-default-parameters.js
+++ b/lib/6to5/transformation/transformers/es6-default-parameters.js
@@ -45,7 +45,7 @@ exports.Function = function (node, parent, file, scope) {
     }
 
     // we're accessing a variable that's already defined within this function
-    var has = scope.get(param.name);
+    var has = scope.get(param.name, true);
     if (has && node.params.indexOf(has) < 0) {
       iife = true;
     }