Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/gtest-198.cs

@@ -0,0 +1,26 @@
+// gtest-198.cs : bug #75957
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace ClassLibrary2
+{
+        public class List1<T> : List<T>
+        { }
+
+        public class List2<T>
+        {
+                private List1<T> _List = new List1<T>();
+                public void AddItem(T item)
+                {
+                        _List.Add(item);
+                }
+        }
+
+	class Foo
+	{
+		public static void Main () {}
+	}
+}
+ 
+