== foo ==
fun foo() {
    val a = 1
    val b: Int
    b = 2
    42
}
---------------------
1                                   <v0>   NEW()
2                                   <v1>   NEW()
42                                  <v2>   NEW()
{ val a = 1 val b: Int b = 2 42 }   <v2>   COPY 
=====================
== bar ==
fun bar(foo: Foo) {
    foo.c
    foo.c = 2
    42
}
---------------------
foo                      <v1>   NEW()
c                        <v2>   NEW(<v1>)
foo.c                    <v2>   COPY     
foo                      <v3>   NEW()
2                        <v4>   NEW()
42                       <v5>   NEW()    
{ foo.c foo.c = 2 42 }   <v5>   COPY     
=====================
== Foo ==
trait Foo {
    var c: Int
}
---------------------
=====================