fix mangleProperties of undefined & Infinity (#1772)

`NaN` already works by the happy accident of `Number.NaN` fixes #1770
2017-04-03 12:31:05 +08:00
parent 1f1fccc45d
commit 59a4e56bc8
2 changed files with 53 additions and 1 deletions
--- 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