From: Mihai Bazon <mihai@bazon.net>
Date: Wed, 6 Nov 2013 08:18:28 +0000 (+0200)
Subject: Do not lift sequence from right-hand side of binary operation.  Fix #343
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=f4919e3a251b4a3beaba66f2a143f795f358409e;p=UglifyJS.git

Do not lift sequence from right-hand side of binary operation.  Fix #343
---

diff --git a/lib/compress.js b/lib/compress.js
index 0bbd24ee..59caa15c 100644
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -1875,16 +1875,6 @@ merge(Compressor.prototype, {
                 seq = AST_Seq.from_array(x).transform(compressor);
                 return seq;
             }
-            if (this.right instanceof AST_Seq
-                && !(this.operator == "||" || this.operator == "&&")
-                && !this.left.has_side_effects(compressor)) {
-                var seq = this.right;
-                var x = seq.to_array();
-                this.right = x.pop();
-                x.push(this);
-                seq = AST_Seq.from_array(x).transform(compressor);
-                return seq;
-            }
         }
         return this;
     });