Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/gtest-430.cs

@@ -0,0 +1,21 @@
+using System;
+
+public class Tmp
+{
+	public int stuff;
+}
+public class Driver
+{
+	Tmp tmp;
+
+	public int? Prop {
+		get { return tmp != null ? tmp.stuff : (int?)null; }
+	}
+
+	public static int Main ()
+	{
+		int? r = new Driver().Prop;
+		Console.WriteLine (r);
+		return r.HasValue ? 1 : 0;
+	}
+}