Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/gtest-229.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+public class B : IComparable<B> {
+	public int CompareTo (B b)
+	{
+		return 0;
+	}
+}
+
+public class Tester
+{
+	public static int Main ()
+	{
+		B b = new B ();
+
+		// This should be false
+		if (b is IComparable<object>)
+			return 1;
+		return 0;
+	}
+}