t / t4018 / golang-long-funcon commit help_unknown_ref(): check for refname ambiguity (2ed2e19)
   1func RIGHT(aVeryVeryVeryLongVariableName AVeryVeryVeryLongType,
   2        anotherLongVariableName AnotherLongType) {
   3        a := 5
   4        b := ChangeMe
   5}