== A ==
class A
---------------------
L0:
  1 <START>
L1:
    <END>      NEXT:[<SINK>]
error:
    <ERROR>    PREV:[]
sink:
    <SINK>     PREV:[<ERROR>, <END>]
=====================
== foo ==
fun foo(a: A) {
    a[0] += 1
}
---------------------
L0:
  1 <START>
    v(a: A)
    magic[FAKE_INITIALIZER](a: A) -> <v0>
    w(a|<v0>)
  2 mark({ a[0] += 1 })
    mark(a[0])
    r(a) -> <v1>
    r(0) -> <v2>
    magic[UNRESOLVED_CALL](a[0]|<v1>, <v2>) -> <v3>
    r(1) -> <v4>
    mark(a[0] += 1)
    magic[UNRESOLVED_CALL](a[0] += 1|<v3>, <v4>) -> <v5>
L1:
  1 <END>                                                   NEXT:[<SINK>]
error:
    <ERROR>                                                 PREV:[]
sink:
    <SINK>                                                  PREV:[<ERROR>, <END>]
=====================