Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs0019-60.cs

@@ -0,0 +1,25 @@
+// CS0019: Operator `>' cannot be applied to operands of type `S' and `S?'
+// Line: 9
+
+public class Test
+{
+	public static void Main ()
+	{
+		S a = new S ();
+		S? b = null;
+		string res = a > b;
+	}
+}
+
+struct S
+{
+	public static string operator > (S a, S b)
+	{ 
+		return ">";
+	}
+	
+	public static string operator < (S a, S b)
+	{ 
+		return "<";
+	}
+}