KtForExpression(23,37): 'for(i in f) {}'
  KaCompoundSymbolResolutionError:
    attempts = [
      KaSymbolResolutionError:
        candidateSymbols = []
        diagnostic = ERROR<UNRESOLVED_REFERENCE: Unresolved reference 'iterator' on receiver of type 'Foo'.>,
      KaSymbolResolutionError:
        candidateSymbols = []
        diagnostic = ERROR<UNRESOLVED_REFERENCE: Unresolved reference 'hasNext'.>,
      KaSymbolResolutionError:
        candidateSymbols = []
        diagnostic = ERROR<UNRESOLVED_REFERENCE: Unresolved reference 'next'.>
    ]
