3109   enum ACCResult {  enum
3122   ACCResult merge(ACCResult left, ACCResult right) {  in merge()
3131   class ARCCastChecker : public StmtVisitor<ARCCastChecker, ACCResult> {
3132     typedef StmtVisitor<ARCCastChecker, ACCResult> super;
3151     ACCResult Visit(Expr *e) {  in Visit()
3155     ACCResult VisitStmt(Stmt *s) {  in VisitStmt()
3160     ACCResult VisitExpr(Expr *e) {  in VisitExpr()
3167     ACCResult VisitObjCStringLiteral(ObjCStringLiteral *e) {  in VisitObjCStringLiteral()
3176     ACCResult VisitCastExpr(CastExpr *e) {  in VisitCastExpr()
3195     ACCResult VisitUnaryExtension(UnaryOperator *e) {  in VisitUnaryExtension()
3200     ACCResult VisitBinComma(BinaryOperator *e) {  in VisitBinComma()
3205     ACCResult VisitConditionalOperator(ConditionalOperator *e) {  in VisitConditionalOperator()
3206       ACCResult left = Visit(e->getTrueExpr());  in VisitConditionalOperator()
3212     ACCResult VisitPseudoObjectExpr(PseudoObjectExpr *e) {  in VisitPseudoObjectExpr()
3218     ACCResult VisitStmtExpr(StmtExpr *e) {  in VisitStmtExpr()
3223     ACCResult VisitDeclRefExpr(DeclRefExpr *e) {  in VisitDeclRefExpr()
3245     ACCResult VisitCallExpr(CallExpr *e) {  in VisitCallExpr()
3247         if (ACCResult result = checkCallToFunction(fn))  in VisitCallExpr()
3253     ACCResult checkCallToFunction(FunctionDecl *fn) {  in checkCallToFunction()
3289     ACCResult VisitObjCMessageExpr(ObjCMessageExpr *e) {  in VisitObjCMessageExpr()
3293     ACCResult VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *e) {  in VisitObjCPropertyRefExpr()
3302     ACCResult checkCallToMethod(ObjCMethodDecl *method) {  in checkCallToMethod()
3518     ACCResult CreateRule =   in diagnoseObjCARCConversion()
3559     ACCResult CreateRule =   in diagnoseObjCARCConversion()