Imported Upstream version 4.2.0.179

Former-commit-id: 0a113cb3a6feb7873f632839b1307cc6033cd595

mcs/class/corlib/ReferenceSources/RuntimeHandles.cs

@@ -0,0 +1,41 @@
+namespace System
+{
+    internal interface IRuntimeMethodInfo
+    {
+        RuntimeMethodHandleInternal Value
+        {
+            get;
+        }
+    }
+
+    internal struct RuntimeMethodHandleInternal
+    {
+        internal static RuntimeMethodHandleInternal EmptyHandle
+        {
+            get
+            {
+                return new RuntimeMethodHandleInternal();
+            }
+        }
+
+        internal bool IsNullHandle()
+        {
+            return m_handle.IsNull();
+        }
+
+        internal IntPtr Value
+        {
+            get
+            {
+                return m_handle;
+            }
+        }
+
+        internal RuntimeMethodHandleInternal(IntPtr value)
+        {
+            m_handle = value;
+        }
+      
+        internal IntPtr m_handle;
+    }
+}