From: Mihai Bazon <mihai@bazon.net>
Date: Thu, 17 Jan 2013 09:01:38 +0000 (+0200)
Subject: Handle String() with no arguments.
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=f0909bdc8f747c46b1359bcca72bf785b660be70;p=UglifyJS.git

Handle String() with no arguments.

Fix #91
---

diff --git a/lib/compress.js b/lib/compress.js
index 0f3a795c..982b2b19 100644
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -1566,6 +1566,9 @@ merge(Compressor.prototype, {
                     }
                     break;
                   case "String":
+                    if (self.args.length == 0) return make_node(AST_String, self, {
+                        value: ""
+                    });
                     return make_node(AST_Binary, self, {
                         left: self.args[0],
                         operator: "+",