== foo ==
fun foo() {
    "before"
    val bar = object {
        {
            val x = 1
        }
        fun foo() {
            val a = 2
        }
    }
    "after"
}
---------------------
L0:
  1 <START>                                                                                  INIT: in: {} out: {}
  2 mark({ "before" val bar = object { { val x = 1 } fun foo() { val a = 2 } } "after" })
    mark("before")
    r("before")
    v(val bar = object { { val x = 1 } fun foo() { val a = 2 } })                            INIT: in: {} out: {bar=D}
    mark(object { { val x = 1 } fun foo() { val a = 2 } })                                   INIT: in: {bar=D} out: {bar=D}
  3 mark({ val x = 1 })
    v(val x = 1)                                                                             INIT: in: {bar=D} out: {bar=D, x=D}
    r(1)                                                                                     INIT: in: {bar=D, x=D} out: {bar=D, x=D}
    w(x)                                                                                     INIT: in: {bar=D, x=D} out: {bar=D, x=ID}
  2 jmp?(L2)                                                                                 INIT: in: {bar=D} out: {bar=D}
    d(fun foo() { val a = 2 })
L2:
    r(object { { val x = 1 } fun foo() { val a = 2 } })
    w(bar)                                                                                   INIT: in: {bar=D} out: {bar=ID}
    mark("after")                                                                            INIT: in: {bar=ID} out: {bar=ID}
    r("after")
L1:
  1 <END>                                                                                    INIT: in: {} out: {}
error:
    <ERROR>
sink:
    <SINK>                                                                                                                                USE: in: {} out: {}
=====================
== foo ==
fun foo() {
            val a = 2
        }
---------------------
L3:
  3 <START>                INIT: in: {bar=D} out: {bar=D}
  4 mark({ val a = 2 })
    v(val a = 2)           INIT: in: {bar=D} out: {a=D, bar=D}
    r(2)                   INIT: in: {a=D, bar=D} out: {a=D, bar=D}
    w(a)                   INIT: in: {a=D, bar=D} out: {a=ID, bar=D}
L4:
  3 <END>                  INIT: in: {bar=D} out: {bar=D}
error:
    <ERROR>                INIT: in: {} out: {}
sink:
    <SINK>                 INIT: in: {bar=D} out: {bar=D}               USE: in: {} out: {}
=====================