== test ==
fun test(b: Boolean) {
    do {
        if (b) break;
        continue;
    } while (true);
}
---------------------
L0:
  1 <START>
    v(b: Boolean)
    magic[FAKE_INITIALIZER](b: Boolean) -> <v0>
    w(b|<v0>)
  2 mark({ do { if (b) break; continue; } while (true); })
  3 mark(do { if (b) break; continue; } while (true))
L2 [loop entry point]:
L4 [body entry point]:
    mark({ if (b) break; continue; })                         PREV:[mark(do { if (b) break; continue; } while (true)), jmp(L2)]
    mark(if (b) break)
    r(b) -> <v1>
    jf(L7|<v1>)                                               NEXT:[read (Unit), jmp(L3)]
    jmp(L3)                                                   NEXT:[read (Unit)]
-   jmp(L8)                                                   NEXT:[merge(if (b) break|!<v2>) -> <v3>]                         PREV:[]
L7 [else branch]:
    read (Unit)                                               PREV:[jf(L7|<v1>)]
L8 ['if' expression result]:
    merge(if (b) break|!<v2>) -> <v3>
    jmp(L6)
L5 [body exit point]:
L6 [condition entry point]:
    r(true) -> <v5>
  2 magic[VALUE_CONSUMER](true|<v5>) -> <v6>
    jmp(L2)                                                   NEXT:[mark({ if (b) break; continue; })]
L3 [loop exit point]:
    read (Unit)                                               PREV:[jmp(L3)]
L1:
  1 <END>                                                     NEXT:[<SINK>]
error:
    <ERROR>                                                   PREV:[]
sink:
    <SINK>                                                    PREV:[<ERROR>, <END>]
=====================