Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/gtest-566.cs

@@ -0,0 +1,48 @@
+class A<T>
+{
+	public class Context<U>
+	{
+		public delegate void D (T instance);
+		public delegate void D2<V> ();
+	}
+
+	public class Constructor
+	{
+		public class Nested
+		{
+			public static void Test<U> (Context<U>.D d)
+			{
+				var c = new Constructor ();
+				c.Before (d);
+			}
+
+			public static void Test<U, V> (Context<U>.D2<V> d)
+			{
+				var c = new Constructor ();
+				c.Before (d);
+			}
+		}
+
+		public void Before<U> (Context<U>.D d)
+		{
+		}
+
+		public void Before<U, V> (Context<U>.D2<V> d)
+		{
+		}
+	}
+}
+
+class C
+{
+	public static int Main ()
+	{
+		A<int>.Context<bool>.D d = null;
+		A<int>.Constructor.Nested.Test (d);
+
+		A<int>.Context<bool>.D2<string> d2 = null;
+		A<int>.Constructor.Nested.Test (d2);
+
+		return 0;
+	}
+}