public static class Test
{
	public static bool Run()
	{
		string() s = "foo"; //FAIL: cl
		string p = "bar";
		return s + s == "foofoo"
			&& s + p == "foobar"
			&& p + s == "barfoo"
			&& p + p == "barbar"
			&& s + "quux" == "fooquux"
			&& "quux" + s == "quuxfoo"
			&& p + "quux" == "barquux"
			&& "quux" + p == "quuxbar";
	}
}