Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/gtest-442.cs

@@ -0,0 +1,20 @@
+public abstract class NonGenericBase
+{
+	public abstract int this[int i] { get; }
+}
+
+public abstract class GenericBase<T> : NonGenericBase
+	where T : GenericBase<T>
+{
+	T Instance { get { return default (T); } }
+
+	public void Foo ()
+	{
+		int i = Instance[10];
+	}
+}
+
+public class EntryPoint
+{
+	public static void Main () { }
+}