== foo ==
fun foo() {
    "before"
    class A(val x: Int) {
        {
            val a = x
        }
        fun foo() {
            val b = x
        }
    }
    "after"
}
---------------------
                                                                                     <v1>: Int   NEW: magic[FAKE_INITIALIZER](val x: Int) -> <v1>
                                                                                     <v2>: A     NEW: magic[IMPLICIT_RECEIVER](x) -> <v2>        
"before"                                                                             <v0>: *     NEW: r("before") -> <v0>                        
x                                                                                    <v3>: Int   NEW: r(x|<v2>) -> <v3>                          
"after"                                                                              <v4>: *     NEW: r("after") -> <v4>                         
{ "before" class A(val x: Int) { { val a = x } fun foo() { val b = x } } "after" }   <v4>: *     COPY                                            
=====================
== foo ==
fun foo() {
            val b = x
        }
---------------------
    <v0>: A     NEW: magic[IMPLICIT_RECEIVER](x) -> <v0>
x   <v1>: Int   NEW: r(x|<v0>) -> <v1>                  
=====================