Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/gtest-529.cs

@@ -0,0 +1,32 @@
+using System;
+
+public class GenericType<U, V> where U : IEquatable<U> where V : IEquatable<V>
+{
+	public U u;
+}
+
+public class Base<V> where V : IEquatable<V>
+{
+	public virtual T Test<T> (GenericType<T, V> gt) where T : IEquatable<T>
+	{
+		return gt.u;
+	}
+}
+
+public class Override<W> : Base<W> where W : IEquatable<W>
+{
+	public override T Test<T> (GenericType<T, W> gt)
+	{
+		return base.Test (gt);
+	}
+}
+
+class M
+{
+	public static int Main ()
+	{
+		Base<byte> b = new Override<byte> ();
+		b.Test (new GenericType<int, byte> ());
+		return 0;
+	}
+}