abstract class C : I {
  constructor() /* primary */ {
    super/*Any*/()
    /* <init>() */

  }

  abstract override fun foo()

}

abstract class D : C, J {
  constructor() /* primary */ {
    super/*C*/()
    /* <init>() */

  }

}

class E : D {
  constructor() /* primary */ {
    super/*D*/()
    /* <init>() */

  }

  override fun foo() {
  }

}

interface I : II {
}

interface II {
  fun foo() {
  }

}

fun foo(x: I) {
  x.foo()
}