fix again reserved props

diff --git a/lib/propmangle.js b/lib/propmangle.js
index d3e582d..0890eaa 100644 (file)
--- a/lib/propmangle.js
+++ b/lib/propmangle.js
@@ -149,6 +149,7 @@ function mangle_properties(ast, options) {
     }
 
     function should_mangle(name) {
+        if (reserved.indexOf(name) >= 0) return false;
         return cache.props.has(name)
             || names_to_mangle.indexOf(name) >= 0;
     }