== foo ==
fun foo() {
    "before"
    val b = 1
    fun local(x: Int) {
        val a = x + b
    }
    "after"
}
---------------------
"before"                                                             <v0>: *     NEW: r("before") -> <v0>
1                                                                    <v1>: Int   NEW: r(1) -> <v1>       
"after"                                                              <v2>: *     NEW: r("after") -> <v2> 
{ "before" val b = 1 fun local(x: Int) { val a = x + b } "after" }   <v2>: *     COPY                    
=====================
== local ==
fun local(x: Int) {
        val a = x + b
    }
---------------------
        <v0>: Int   NEW: magic[FAKE_INITIALIZER](x: Int) -> <v0>
x       <v1>: Int   NEW: r(x) -> <v1>                           
b       <v2>: Int   NEW: r(b) -> <v2>                           
x + b   <v3>: Int   NEW: call(x + b, plus|<v1>, <v2>) -> <v3>   
=====================