2289       const auto *OldAA = dyn_cast<AvailabilityAttr>(Attrs[i]);  in mergeAvailabilityAttr()  local
2290       if (!OldAA) {  in mergeAvailabilityAttr()
2295       IdentifierInfo *OldPlatform = OldAA->getPlatform();  in mergeAvailabilityAttr()
2304       if (OldAA->getPriority() < Priority)  in mergeAvailabilityAttr()
2310       if (OldAA->getPriority() > Priority) {  in mergeAvailabilityAttr()
2317       VersionTuple OldIntroduced = OldAA->getIntroduced();  in mergeAvailabilityAttr()
2318       VersionTuple OldDeprecated = OldAA->getDeprecated();  in mergeAvailabilityAttr()
2319       VersionTuple OldObsoleted = OldAA->getObsoleted();  in mergeAvailabilityAttr()
2320       bool OldIsUnavailable = OldAA->getUnavailable();  in mergeAvailabilityAttr()
2346             Diag(OldAA->getLocation(),  in mergeAvailabilityAttr()
2351             Diag(OldAA->getLocation(),  in mergeAvailabilityAttr()
2363           Diag(OldAA->getLocation(), diag::warn_mismatched_availability);  in mergeAvailabilityAttr()
2383       if (checkAvailabilityAttr(*this, OldAA->getRange(), Platform,  in mergeAvailabilityAttr()