From bf8f80faf7e4eddcc67754613aad84ac76bba068 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Wed, 11 Feb 2015 20:14:41 +1100
Subject: [PATCH] add general support for declarations to Scope::rename -
 closes #751

---
 lib/6to5/traversal/scope.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/6to5/traversal/scope.js b/lib/6to5/traversal/scope.js
index 47df9504f7..55f4ebca48 100644
--- a/lib/6to5/traversal/scope.js
+++ b/lib/6to5/traversal/scope.js
@@ -159,6 +159,11 @@ Scope.prototype.rename = function (oldName, newName) {
     enter: function (node, parent, scope) {
       if (t.isReferencedIdentifier(node, parent) && node.name === oldName) {
         node.name = newName;
+      } else if (t.isDeclaration(node)) {
+        var ids = t.getBindingIdentifiers(node);
+        for (var name in ids) {
+          if (name === oldName) ids[name].name = newName;
+        }
       } else if (t.isScope(node, parent)) {
         if (!scope.bindingIdentifierEquals(oldName, binding)) {
           this.skip();