From 63a47ef7bb6960531cd3ba302c112c7191e5ee2c Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Fri, 14 Nov 2014 00:55:14 +1100
Subject: [PATCH] optimise types.toStatement for when we're directly passed a
 statement

---
 lib/6to5/types/index.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/6to5/types/index.js b/lib/6to5/types/index.js
index 918268d418..c921215e4f 100644
--- a/lib/6to5/types/index.js
+++ b/lib/6to5/types/index.js
@@ -106,6 +106,10 @@ t.ensureBlock = function (node) {
 };
 
 t.toStatement = function (node, ignore) {
+  if (t.isStatement(node)) {
+    return node;
+  }
+
   var mustHaveId = false;
   var newType;
 
@@ -115,8 +119,6 @@ t.toStatement = function (node, ignore) {
   } else if (t.isFunction(node)) {
     mustHaveId = true;
     newType = "FunctionDeclaration";
-  } else if (t.isStatement(node)) {
-    newType = node.type;
   }
 
   if (mustHaveId && !node.id) {