== foo ==
fun foo() {
    x = ""
}
---------------------
             <v1>: *    NEW: magic[VALUE_CONSUMER](x|<v0>) -> <v1>
x            <v0>: *    NEW: magic[UNRESOLVED_CALL](x) -> <v0>
""           <v2>: *    NEW: r("") -> <v2>
x = ""       !<v3>: *
{ x = "" }   !<v3>: *   COPY
=====================