From ed339a35d2a0ae6137c12e9bc8e8b037ed429bc1 Mon Sep 17 00:00:00 2001
From: David Fowler <davidfowl@gmail.com>
Date: Fri, 29 May 2015 14:14:36 -0700
Subject: [PATCH] Made container verison volatile

---
 src/Microsoft.AspNet.FeatureModel/FeatureCollection.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Microsoft.AspNet.FeatureModel/FeatureCollection.cs b/src/Microsoft.AspNet.FeatureModel/FeatureCollection.cs
index 0c43b0afa1..40e386a491 100644
--- a/src/Microsoft.AspNet.FeatureModel/FeatureCollection.cs
+++ b/src/Microsoft.AspNet.FeatureModel/FeatureCollection.cs
@@ -13,7 +13,7 @@ namespace Microsoft.AspNet.FeatureModel
         private readonly IFeatureCollection _defaults;
         private readonly IDictionary<Type, object> _featureByFeatureType = new Dictionary<Type, object>();
         private readonly object _containerSync = new object();
-        private int _containerRevision;
+        private volatile int _containerRevision;
 
         public FeatureCollection()
         {