interface IC1 {
  abstract operator fun component1(): Int

}

interface IC2 {
  abstract operator fun component2(): String

}

fun test(x: Any) {
  when {
    when {
      x is IC1 -> x is IC2
      else -> false
    } -> { // BLOCK
      // COMPOSITE {
      val tmp_0: Any = x
      val x1: Int = tmp_0 /*as IC1 */.component1()
      val x2: String = tmp_0 /*as IC2 */.component2()
      // }
    }
  }
}