== fail ==
fun fail() : Nothing {
  throw java.lang.RuntimeException()
}
---------------------
L0:
    <START>                                       NEXT:[r(java)]                                       PREV:[]
    r(java)                                       NEXT:[r(lang)]                                       PREV:[<START>]
    r(lang)                                       NEXT:[r(java.lang)]                                  PREV:[r(java)]
    r(java.lang)                                  NEXT:[r(RuntimeException)]                           PREV:[r(lang)]
    r(RuntimeException)                           NEXT:[r(RuntimeException())]                         PREV:[r(java.lang)]
    r(RuntimeException())                         NEXT:[r(java.lang.RuntimeException())]               PREV:[r(RuntimeException)]
    r(java.lang.RuntimeException())               NEXT:[throw (throw java.lang.RuntimeException())]    PREV:[r(RuntimeException())]
    throw (throw java.lang.RuntimeException())    NEXT:[<ERROR>]                                       PREV:[r(java.lang.RuntimeException())]
L1:
    <END>                                         NEXT:[<SINK>]                                        PREV:[]
error:
    <ERROR>                                       NEXT:[<SINK>]                                        PREV:[throw (throw java.lang.RuntimeException())]
sink:
    <SINK>                                        NEXT:[]                                              PREV:[<ERROR>, <END>]
=====================