Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/gtest-551.cs

@@ -0,0 +1,27 @@
+using System;
+
+class Base<T> where T : new ()
+{
+	protected readonly T field = new T ();
+}
+
+class Derived<T> : Base<T> where T : ICloneable, new ()
+{
+	public Derived()
+	{
+		field.Clone();
+	}
+}
+
+class C : ICloneable
+{
+	public object Clone ()
+	{
+		return null;
+	}
+	
+	public static void Main ()
+	{
+		var a = new Derived<C> ();
+	}
+}