From 4b525daf72c6a5002f74d7969a11fc62cb41c95f Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Tue, 20 Jan 2015 19:33:05 +1100
Subject: [PATCH] fix forOf scope declarations not propagating to new for loop
 - fixes #538

---
 lib/6to5/transformation/transformers/es6-for-of.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/6to5/transformation/transformers/es6-for-of.js b/lib/6to5/transformation/transformers/es6-for-of.js
index 3eed21d15d..3e3f9ac0f3 100644
--- a/lib/6to5/transformation/transformers/es6-for-of.js
+++ b/lib/6to5/transformation/transformers/es6-for-of.js
@@ -30,6 +30,9 @@ exports.ForOfStatement = function (node, parent, scope, context, file) {
   // push the rest of the original loop body onto our new body
   block.body = block.body.concat(node.body.body);
 
+  // todo: find out why this is necessary? #538
+  loop._scopeInfo = node._scopeInfo;
+
   return loop;
 };