From c967cded78f215bb9b01b28f4427f47b29fbbdc1 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Tue, 4 Nov 2014 12:56:53 +1100
Subject: [PATCH] make id optional in t.getIds

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

diff --git a/lib/6to5/types/index.js b/lib/6to5/types/index.js
index 31533075e7..9ba1beafa6 100644
--- a/lib/6to5/types/index.js
+++ b/lib/6to5/types/index.js
@@ -117,7 +117,7 @@ t.getIds = function (node) {
       search = search.concat(id.declarations);
     } else if (t.isVariableDeclarator(id)) {
       search.push(id.id);
-    } else {
+    } else if (id) {
       throw new Error("unknown node " + id.type);
     }
   }