From f5f6e96c625358d278b09e72668efa34e5b25b40 Mon Sep 17 00:00:00 2001
From: John Gietzen <otac0n@gietzen.us>
Date: Fri, 8 Jul 2011 22:30:35 -0500
Subject: [PATCH] Fixed an issue with sparse arrays when shortening the array
 where the collection of keys is modified while removing keys.

---
 Src/IronJS.Runtime/Objects/ArrayObject.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Src/IronJS.Runtime/Objects/ArrayObject.cs b/Src/IronJS.Runtime/Objects/ArrayObject.cs
index aaa38d42..3d75fd81 100644
--- a/Src/IronJS.Runtime/Objects/ArrayObject.cs
+++ b/Src/IronJS.Runtime/Objects/ArrayObject.cs
@@ -438,7 +438,7 @@ public void PutLength(uint newLength, uint length)
                     return;
                 }
 
-                foreach (var key in this.storage.Keys)
+                foreach (var key in this.storage.Keys.ToList())
                 {
                     if (key >= newLength)
                         this.storage.Remove(key);