From 16430acc1f677c81b2c715b3576f8079c6e1e2df Mon Sep 17 00:00:00 2001
From: Mihai Bazon <mihai@bazon.net>
Date: Wed, 5 Dec 2012 13:14:49 +0200
Subject: [PATCH] small improvement on merging assignments into hoisted vars

---
 lib/compress.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/compress.js b/lib/compress.js
index 2355c5e6..9387a821 100644
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -1152,6 +1152,15 @@ merge(Compressor.prototype, {
                                 continue;
                             }
                         }
+                        if (self.body[i] instanceof AST_EmptyStatement) {
+                            self.body.splice(i, 1);
+                            continue;
+                        }
+                        if (self.body[i] instanceof AST_BlockStatement) {
+                            var tmp = [ i, 1 ].concat(self.body[i].body);
+                            self.body.splice.apply(self.body, tmp);
+                            continue;
+                        }
                         break;
                     }
                     defs = make_node(AST_Var, self, {
-- 
2.34.1