Imported Upstream version 4.2.2.10

Former-commit-id: 925376e1db46149d14f7949fcd7b08805ea8aba9

mcs/class/corlib/System/MulticastDelegate.cs

@@ -33,6 +33,7 @@
 
 using System.Collections;
 using System.Collections.Generic;
+using System.Reflection;
 using System.Runtime.Serialization;
 using System.Runtime.InteropServices;
 
@@ -112,6 +113,14 @@ namespace System
 			return base.GetHashCode ();
 		}
 
+		protected override MethodInfo GetMethodImpl ()
+		{
+			if (delegates != null)
+				return delegates [delegates.Length - 1].Method;
+
+			return base.GetMethodImpl ();
+		}
+
 		// <summary>
 		//   Return, in order of invocation, the invocation list
 		//   of a MulticastDelegate