== A ==
class A
---------------------
=====================
== foo ==
fun foo(a: A) {
    a[1] = 2
}
---------------------
               <v0>: A   NEW: magic[FAKE_INITIALIZER](a: A) -> <v0>
a              <v1>: *   NEW: r(a) -> <v1>
1              <v2>: *   NEW: r(1) -> <v2>
a[1]           <v3>: *   NEW: magic[UNRESOLVED_CALL](a[1]|<v1>, <v2>) -> <v3>
2              <v4>: *   NEW: r(2) -> <v4>
a[1] = 2       <v5>: *   NEW: magic[UNRESOLVED_CALL](a[1] = 2|<v3>, <v4>) -> <v5>
{ a[1] = 2 }   <v5>: *   COPY
=====================