From 81f1df14d7c931cddedad9666a7c57f4373ec918 Mon Sep 17 00:00:00 2001
From: Anat Dagan <anadt@ironsrc.com>
Date: Fri, 10 Feb 2017 14:13:47 +0200
Subject: [PATCH] in mangle_names there is a check that the variable name is
 legal and that it is not a reserved word. This should apply to propsmangle as
 well.

---
 lib/propmangle.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/propmangle.js b/lib/propmangle.js
index f2777475..3c75cac9 100644
--- a/lib/propmangle.js
+++ b/lib/propmangle.js
@@ -149,6 +149,7 @@ function mangle_properties(ast, options) {
     // only function declarations after this line
 
     function can_mangle(name) {
+        if (!is_identifier(name)) return false;
         if (unmangleable.indexOf(name) >= 0) return false;
         if (reserved.indexOf(name) >= 0) return false;
         if (options.only_cache) {
-- 
2.34.1