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-rw-r--r--lib/propmangle.js6
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/propmangle.js b/lib/propmangle.js
index cfa035d2..c1e8c7e4 100644
--- a/lib/propmangle.js
+++ b/lib/propmangle.js
@@ -44,7 +44,11 @@
"use strict";
function find_builtins() {
- var a = [];
+ // NaN will be included due to Number.NaN
+ var a = [
+ "Infinity",
+ "undefined",
+ ];
[ Object, Array, Function, Number,
String, Boolean, Error, Math,
Date, RegExp