From f75f045026c92889b92d89073a7c9cd8afe3bad7 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Fri, 14 Nov 2014 09:15:00 +1100
Subject: [PATCH] turn custom runtime into a proper identifier

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

diff --git a/lib/6to5/runtime.js b/lib/6to5/runtime.js
index 39ac7ba908..6c4fdbc9fd 100644
--- a/lib/6to5/runtime.js
+++ b/lib/6to5/runtime.js
@@ -5,7 +5,7 @@ var t         = require("./types");
 var _         = require("lodash");
 
 module.exports = function (namespace) {
-  namespace = t.identifier(namespace || "to5Runtime");
+  namespace = t.identifier(t.toIdentifier(namespace || "to5Runtime"));
 
   var body      = [];
   var container = t.functionExpression(null, [], t.blockStatement(body));