296                                            Decl *Previous);
300                                        Redeclarable<DeclT> *D, Decl *Previous,
303     static void attachPreviousDecl(ASTReader &Reader, Decl *D, Decl *Previous,
3383   auto &Previous = Reader.AnonymousDeclarationsForMerging[CanonDC];  in getAnonymousDeclForMerging()  local
3384   if (Index < Previous.size() && Previous[Index])  in getAnonymousDeclForMerging()
3385     return Previous[Index];  in getAnonymousDeclForMerging()
3392       if (Previous.size() == Number)  in getAnonymousDeclForMerging()
3393         Previous.push_back(cast<NamedDecl>(ND->getCanonicalDecl()));  in getAnonymousDeclForMerging()
3395         Previous[Number] = cast<NamedDecl>(ND->getCanonicalDecl());  in getAnonymousDeclForMerging()
3399   return Index < Previous.size() ? Previous[Index] : nullptr;  in getAnonymousDeclForMerging()
3407   auto &Previous = Reader.AnonymousDeclarationsForMerging[CanonDC];  in setAnonymousDeclForMerging()  local
3408   if (Index >= Previous.size())  in setAnonymousDeclForMerging()
3409     Previous.resize(Index + 1);  in setAnonymousDeclForMerging()
3410   if (!Previous[Index])  in setAnonymousDeclForMerging()
3411     Previous[Index] = D;  in setAnonymousDeclForMerging()
3538                                                Decl *Previous) {  in mergeInheritableAttributes()  argument
3541   const auto *IA = Previous->getAttr<MSInheritanceAttr>();  in mergeInheritableAttributes()
3549   const auto *AA = Previous->getAttr<AvailabilityAttr>();  in mergeInheritableAttributes()
3560                                            Decl *Previous, Decl *Canon) {  in attachPreviousDeclImpl()  argument
3561   D->RedeclLink.setPrevious(cast<DeclT>(Previous));  in attachPreviousDeclImpl()
3562   D->First = cast<DeclT>(Previous)->First;  in attachPreviousDeclImpl()
3570                                            Decl *Previous, Decl *Canon) {  in attachPreviousDeclImpl()  argument
3572   auto *PrevVD = cast<VarDecl>(Previous);  in attachPreviousDeclImpl()
3598                                            Decl *Previous, Decl *Canon) {  in attachPreviousDeclImpl()  argument
3600   auto *PrevFD = cast<FunctionDecl>(Previous);  in attachPreviousDeclImpl()
3692                                                   Decl *Previous) {  in checkMultipleDefinitionInNamedModules()  argument
3693   Module *M = Previous->getOwningModule();  in checkMultipleDefinitionInNamedModules()
3701   if (Previous->isImplicit())  in checkMultipleDefinitionInNamedModules()
3707   if (!isa<VarDecl, FunctionDecl, TagDecl, RedeclarableTemplateDecl>(Previous))  in checkMultipleDefinitionInNamedModules()
3715   if (auto *VTSD = dyn_cast<VarTemplateSpecializationDecl>(Previous);  in checkMultipleDefinitionInNamedModules()
3718   if (auto *CTSD = dyn_cast<ClassTemplateSpecializationDecl>(Previous);  in checkMultipleDefinitionInNamedModules()
3721   if (auto *Func = dyn_cast<FunctionDecl>(Previous))  in checkMultipleDefinitionInNamedModules()
3730   Reader.Diag(Previous->getLocation(),  in checkMultipleDefinitionInNamedModules()
3732       << cast<NamedDecl>(Previous) << M->Name;  in checkMultipleDefinitionInNamedModules()
3737                                        Decl *Previous, Decl *Canon) {  in attachPreviousDecl()  argument
3738   assert(D && Previous);  in attachPreviousDecl()
3744     attachPreviousDeclImpl(Reader, cast<TYPE##Decl>(D), Previous, Canon); \  in attachPreviousDecl()
3749   checkMultipleDefinitionInNamedModules(Reader, D, Previous);  in attachPreviousDecl()
3757       Previous->IdentifierNamespace &  in attachPreviousDecl()
3764                                     cast<TemplateDecl>(Previous), TD);  in attachPreviousDecl()
3770   mergeInheritableAttributes(Reader, D, Previous);  in attachPreviousDecl()