fun test1() {
  while (true) { // BLOCK
    break
  }
  { // BLOCK
    do// COMPOSITE {
    break
    // }    while (true)
  }
  while (true) { // BLOCK
    continue
  }
  { // BLOCK
    do// COMPOSITE {
    continue
    // }    while (true)
  }
}

fun test2() {
  while (true) { // BLOCK
    while (true) { // BLOCK
      break
      break
    }
    break
  }
  while (true) { // BLOCK
    while (true) { // BLOCK
      continue
      continue
    }
    continue
  }
}

fun test3() {
  while (true) { // BLOCK
    while (true) { // BLOCK
      break
    }
    break
  }
  while (true) { // BLOCK
    while (true) { // BLOCK
      continue
    }
    continue
  }
}

