3507   enum ACCResult {  enum
3520   ACCResult merge(ACCResult left, ACCResult right) {  in merge()
3529   class ARCCastChecker : public StmtVisitor<ARCCastChecker, ACCResult> {
3530     typedef StmtVisitor<ARCCastChecker, ACCResult> super;
3549     ACCResult Visit(Expr *e) {  in Visit()
3553     ACCResult VisitStmt(Stmt *s) {  in VisitStmt()
3558     ACCResult VisitExpr(Expr *e) {  in VisitExpr()
3565     ACCResult VisitObjCStringLiteral(ObjCStringLiteral *e) {  in VisitObjCStringLiteral()
3574     ACCResult VisitCastExpr(CastExpr *e) {  in VisitCastExpr()
3593     ACCResult VisitUnaryExtension(UnaryOperator *e) {  in VisitUnaryExtension()
3598     ACCResult VisitBinComma(BinaryOperator *e) {  in VisitBinComma()
3603     ACCResult VisitConditionalOperator(ConditionalOperator *e) {  in VisitConditionalOperator()
3604       ACCResult left = Visit(e->getTrueExpr());  in VisitConditionalOperator()
3610     ACCResult VisitPseudoObjectExpr(PseudoObjectExpr *e) {  in VisitPseudoObjectExpr()
3616     ACCResult VisitStmtExpr(StmtExpr *e) {  in VisitStmtExpr()
3621     ACCResult VisitDeclRefExpr(DeclRefExpr *e) {  in VisitDeclRefExpr()
3643     ACCResult VisitCallExpr(CallExpr *e) {  in VisitCallExpr()
3645         if (ACCResult result = checkCallToFunction(fn))  in VisitCallExpr()
3651     ACCResult checkCallToFunction(FunctionDecl *fn) {  in checkCallToFunction()
3687     ACCResult VisitObjCMessageExpr(ObjCMessageExpr *e) {  in VisitObjCMessageExpr()
3691     ACCResult VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *e) {  in VisitObjCPropertyRefExpr()
3700     ACCResult checkCallToMethod(ObjCMethodDecl *method) {  in checkCallToMethod()
3917     ACCResult CreateRule =  in diagnoseObjCARCConversion()
3958     ACCResult CreateRule =  in diagnoseObjCARCConversion()