fun <F : CharSequence> F.bar() {
}

inline fun <reified T : CharSequence> test_1(x: Any) {
  when {
    x is T -> { // BLOCK
      x /*as T */.bar<T>()
    }
  }
}

fun test_2(x: Any?) {
  when {
    x is CharSequence -> { // BLOCK
      x /*as CharSequence */.bar<CharSequence>()
    }
  }
}