From: Mihai Bazon <mihai@bazon.net>
Date: Thu, 9 May 2013 05:44:24 +0000 (+0300)
Subject: Fix is_assignable
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=064e7aa1bbb70baec40a9812a8801627846bde2f;p=UglifyJS.git

Fix is_assignable

(not likely to be noticed, it's only used in `strict` parse mode)
---

diff --git a/lib/parse.js b/lib/parse.js
index c45c064e..c8c5d0a0 100644
--- a/lib/parse.js
+++ b/lib/parse.js
@@ -1340,15 +1340,8 @@ function parse($TEXT, options) {
 
     function is_assignable(expr) {
         if (!options.strict) return true;
-        switch (expr[0]+"") {
-          case "dot":
-          case "sub":
-          case "new":
-          case "call":
-            return true;
-          case "name":
-            return expr[1] != "this";
-        }
+        if (expr instanceof AST_This) return false;
+        return (expr instanceof AST_PropAccess || expr instanceof AST_Symbol);
     };
 
     var maybe_assign = function(no_in) {