From 688d619bfe2f7ed93dcfe5f2e62c20d804bd5999 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Thu, 15 Jan 2015 19:29:27 +1100
Subject: [PATCH] add identifier check to class id inheritance

---
 lib/6to5/transformation/transformers/es6-classes.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/6to5/transformation/transformers/es6-classes.js b/lib/6to5/transformation/transformers/es6-classes.js
index 69d3a41205..04be814120 100644
--- a/lib/6to5/transformation/transformers/es6-classes.js
+++ b/lib/6to5/transformation/transformers/es6-classes.js
@@ -14,7 +14,8 @@ exports.ClassExpression = function (node, parent, file, scope) {
       node.id = parent.key;
     }
 
-    if (t.isVariableDeclarator(parent)) {
+    if (t.isVariableDeclarator(parent) && t.isIdentifier(parent.id)) {
+      // var foo = class {};
       node.id = parent.id;
     }
   }