Imported Upstream version 3.8.0

Former-commit-id: 6a76a29bd07d86e57c6c8da45c65ed5447d38a61

mcs/tests/gtest-619.cs

@@ -0,0 +1,35 @@
+interface I<T>
+{
+}
+
+interface IB<T> : I<string>
+{
+	
+}
+
+struct S
+{
+	class P
+	{
+	}
+	
+	public class C : IB<P>
+	{
+	}
+}
+
+class M
+{
+	static void Test<T> (I<T> iface)
+	{
+	}
+
+	static void Test<T> (IB<T> iface)
+	{
+	}
+
+	static void Main ()
+	{
+		Test (new S.C ());
+	}
+}