From 07e4b64f3a8439a9491cc7a277872e0a5d79a29b Mon Sep 17 00:00:00 2001
From: "Alex Lam S.L" <alexlamsl@gmail.com>
Date: Wed, 17 Jan 2018 21:33:13 +0800
Subject: fix `AST_Scope.clone()` (#2803)

fixes #2799
---
 lib/utils.js | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'lib/utils.js')

diff --git a/lib/utils.js b/lib/utils.js
index dab7f566..9121fa93 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -303,6 +303,13 @@ Dictionary.prototype = {
             ret.push(f(this._values[i], i.substr(1)));
         return ret;
     },
+    clone: function() {
+        var ret = new Dictionary();
+        for (var i in this._values)
+            ret._values[i] = this._values[i];
+        ret._size = this._size;
+        return ret;
+    },
     toObject: function() { return this._values }
 };
 Dictionary.fromObject = function(obj) {
-- 
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