7 abstract class B<T1, T2>
9 public abstract void Foo<U> (U x) where U : T1, T2;
12 class C : B<S<object>, S<dynamic>>
14 public override void Foo<U> (U x)
18 public static int Main ()
20 var m = typeof (C).GetMethod ("Foo");
21 var ta = m.GetGenericArguments ()[0].GetGenericParameterConstraints ();
25 Console.WriteLine ("ok");