using System;

public class Program
{
	struct TestStruct
	{
		public int a;
		public int b;
	}

	delegate void testDelegate(TypedReference tr);

	static void test(TypedReference tr)
	{
		Type t = __reftype(tr);
		Console.WriteLine($"tr = {t.Name}");
	}
	public static void Main(string[] args)
	{
		TestStruct s = default;
		var tr = __makeref(s);

		test(tr);

		testDelegate d = test;
		d(tr); // this will crash due to __reftype(tr)
	}
}