== test ==
fun test(): Int {
    val j = 1
    fun local() = 1
    return local()
}
---------------------
L0:
  1 <START>
  2 mark({ val j = 1 fun local() = 1 return local() })
    v(val j = 1)
    r(1) -> <v0>
    w(j|<v0>)
    jmp?(L2)                                              NEXT:[mark(local()), d(fun local() = 1)]
    d(fun local() = 1)                                    NEXT:[<SINK>]
L2 [after local declaration]:
    mark(local())                                         PREV:[jmp?(L2)]
    call(local(), local) -> <v1>
    ret(*|<v1>) L1
L1:
  1 <END>                                                 NEXT:[<SINK>]
error:
    <ERROR>                                               PREV:[]
sink:
    <SINK>                                                PREV:[<ERROR>, <END>, d(fun local() = 1)]
=====================
== local ==
fun local() = 1
---------------------
L3:
  3 <START>
    r(1) -> <v0>
    ret(*|<v0>) L4
L4:
    <END>             NEXT:[<SINK>]
error:
    <ERROR>           PREV:[]
sink:
    <SINK>            PREV:[<ERROR>, <END>]
=====================