KtForExpression(15,32): 'for (x in Y()) {}'
  KaForLoopCallResolutionAttempt:
    hasNextCallAttempt = KaCallResolutionError:
      candidateCalls = []
      diagnostic = ERROR<UNRESOLVED_REFERENCE: Unresolved reference 'hasNext'.>
    iteratorCallAttempt = KaCallResolutionError:
      candidateCalls = []
      diagnostic = ERROR<UNRESOLVED_REFERENCE: Unresolved reference 'iterator' on receiver of type 'Y'.>
    nextCallAttempt = KaCallResolutionError:
      candidateCalls = []
      diagnostic = ERROR<UNRESOLVED_REFERENCE: Unresolved reference 'next'.>
