== foo ==
fun foo() {
    int x = ()()
}
---------------------
                   <v3>: *   NEW: magic[VALUE_CONSUMER](= ()()|<v2>) -> <v3>
int                <v0>: *   NEW: magic[UNRESOLVED_CALL](int) -> <v0>
= ()               <v1>: *   NEW: magic[UNRESOLVED_CALL](= ()) -> <v1>
= ()()             <v2>: *   NEW: call(= ()(), <ERROR FUNCTION>|<v1>) -> <v2>
int x = ()()       <v4>: *   NEW: call(int x = ()(), <ERROR FUNCTION>|<v0>) -> <v4>
{ int x = ()() }   <v4>: *   COPY
=====================