== foo ==
fun foo() {
  val a = Array<Int>
  3
  a[10] = 4
  2
  a[10]
  100
  a[10] += 1
}
---------------------
l0:
    <START>
    r(Array)
    r(Array<Int>)
    w(a)
    r(3)
    r(4)
    r(10)
    r(a)
    r(=)
    w(a[10])
    r(2)
    r(10)
    r(a)
    r(a[10])
    r(100)
    r(10)
    r(a)
    r(a[10])
    r(1)
    r(+=)
    w(a[10])
l1:
    <END>
error:
    <ERROR>
=====================
== a ==
val a = Array<Int>
---------------------
l0:
    <START>
    r(Array)
    r(Array<Int>)
l1:
    <END>
error:
    <ERROR>
=====================