internal fun foo(x0: Any?, x1: Int = 1, x2: Float) {
    foo(null, 2, 3.5);
    val y1 = x1;
    val y2 = x2;
    val y3 = x3;
    foo(x0 = null, x1 = 4, x2 = 5.5);
}

fun bar() {
    foo(x0 = null, x1 = 2, x2 = 3.5);
    foo(x0 = null, x1 = 3, x2 = 4.5);
    foo(x0 = null, x1 = 4, x2 = 5.5);
}