public static class Test
{
	static string() Twice(string s) //FAIL: cl
	{
		string() stg = s;
		stg += s;
		return stg;
	}

	static string() Times(string s, int count)
	{
		string() stg = s;
		stg += s;
		if (count == 2)
			return stg;
		stg += s;
		return stg;
	}

	static string() Identity(string s) => s;

	public static bool Run()
	{
		string() stg = Twice("foo");
		Twice("bar"); // don't leak
		Times("x", 3); // don't leak
		string() stg2 = Identity("bar");
		return Identity(stg) == "foofoo" && stg == "foofoo" && stg2 == "bar";
	}
}