Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/gtest-594.cs

@@ -0,0 +1,29 @@
+using System;
+
+public interface IFoo<U>
+{
+	void Foo<T> () where T : C;
+}
+
+public class C : IA
+{
+}
+
+public interface IA
+{
+}
+
+class Y : IFoo<int>
+{
+	public void Foo<T> () where T : C
+	{
+	}
+}
+
+class X
+{
+	public static void Main()
+	{
+		new Y ();
+	}
+}