Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/gtest-407.cs

@@ -0,0 +1,39 @@
+using System;
+
+struct MyColor
+{
+	int v;
+
+	public MyColor (int v)
+	{
+		this.v = v;
+	}
+
+	public static bool operator == (MyColor left, MyColor right)
+	{
+		return left.v == right.v;
+	}
+
+	public static bool operator != (MyColor left, MyColor right)
+	{
+		return left.v != right.v;
+	}
+}
+
+public class NullableColorTests
+{
+	public static int Main ()
+	{
+		MyColor? col = null;
+		bool b = col == new MyColor (3);
+		Console.WriteLine (b);
+		if (b)
+			return 1;
+			
+		b = col != new MyColor (3);
+		if (!b)
+			return 2;
+		
+		return 0;
+	}
+}