From cc094efe1bf8e15b32fdb02ba5127e45ecc579b3 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Wed, 29 Oct 2014 20:52:25 +1100
Subject: [PATCH] modify regex object instead of creating a new literal

---
 lib/6to5/transformers/unicode-regex.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/6to5/transformers/unicode-regex.js b/lib/6to5/transformers/unicode-regex.js
index 34f142c417..ac82f3eb3a 100644
--- a/lib/6to5/transformers/unicode-regex.js
+++ b/lib/6to5/transformers/unicode-regex.js
@@ -10,6 +10,5 @@ exports.Literal = function (node) {
   if (!_.contains(regex.flags, "u")) return;
   _.pull(flags, "u");
 
-  var pattern = rewritePattern(regex.pattern, regex.flags);
-  return b.literal(new RegExp(pattern, flags.join("")));
+  regex.pattern = rewritePattern(regex.pattern, regex.flags);
 };