== t1 ==
fun t1() {
    for (i in 1..2) {
        doSmth(i)
    }
}
---------------------
L0:
  1 <START>
  2 mark({ for (i in 1..2) { doSmth(i) } })
  3 mark(for (i in 1..2) { doSmth(i) })
    mark(1..2)
    r(1) -> <v0>
    r(2) -> <v1>
    call(.., rangeTo|<v0>, <v1>) -> <v2>
    v(i)
L3:
    jmp?(L2)                                   NEXT:[read (Unit), magic(1..2|<v2>) -> <v3>]
L4 [loop entry point]:
L5 [body entry point]:
    magic(1..2|<v2>) -> <v3>                   PREV:[jmp?(L2), jmp?(L4 [loop entry point])]
    w(i|<v3>)
  4 mark({ doSmth(i) })
    mark(doSmth(i))
    r(i) -> <v4>
    call(doSmth, doSmth|<v4>) -> <v5>
  3 jmp?(L4 [loop entry point])                NEXT:[magic(1..2|<v2>) -> <v3>, read (Unit)]
L2:
    read (Unit)                                PREV:[jmp?(L2), jmp?(L4 [loop entry point])]
L1:
  1 <END>                                      NEXT:[<SINK>]
error:
    <ERROR>                                    PREV:[]
sink:
    <SINK>                                     PREV:[<ERROR>, <END>]
=====================
== doSmth ==
fun doSmth(i: Int) {}
---------------------
L0:
  1 <START>
    v(i: Int)
    magic(i: Int) -> <v0>
    w(i|<v0>)
  2 mark({})
    read (Unit)
L1:
  1 <END>                    NEXT:[<SINK>]
error:
    <ERROR>                  PREV:[]
sink:
    <SINK>                   PREV:[<ERROR>, <END>]
=====================