From: Mihai Bazon <mihai.bazon@gmail.com>
Date: Mon, 16 Mar 2015 08:53:31 +0000 (+0200)
Subject: Fix prop mangling
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=0c80d21e01f7f7f7ec76f80ed02e4935ca9d952a;p=UglifyJS.git

Fix prop mangling

Even if not “defined”, do mangle if name exists in the cache.
---

diff --git a/lib/propmangle.js b/lib/propmangle.js
index 41eeffe4..f79b4748 100644
--- a/lib/propmangle.js
+++ b/lib/propmangle.js
@@ -145,7 +145,8 @@ function mangle_properties(ast, options) {
     }
 
     function should_mangle(name) {
-        return names_to_mangle.indexOf(name) >= 0;
+        return cache.props.has(name)
+            || names_to_mangle.indexOf(name) >= 0;
     }
 
     function add(name) {