2846   if (auto *NS = dyn_cast_or_null<NamespaceDecl>(Used))  in Create()
2860 NamespaceDecl *UsingDirectiveDecl::getNominatedNamespace() {  in getNominatedNamespace()
2863   return cast_or_null<NamespaceDecl>(NominatedNamespace);  in getNominatedNamespace()
2866 NamespaceDecl::NamespaceDecl(ASTContext &C, DeclContext *DC, bool Inline,  in NamespaceDecl()  function in NamespaceDecl
2868                              IdentifierInfo *Id, NamespaceDecl *PrevDecl)  in NamespaceDecl()
2878 NamespaceDecl *NamespaceDecl::Create(ASTContext &C, DeclContext *DC,  in Create()
2881                                      NamespaceDecl *PrevDecl) {  in Create()
2882   return new (C, DC) NamespaceDecl(C, DC, Inline, StartLoc, IdLoc, Id,  in Create()
2886 NamespaceDecl *NamespaceDecl::CreateDeserialized(ASTContext &C, unsigned ID) {  in CreateDeserialized()
2887   return new (C, ID) NamespaceDecl(C, nullptr, false, SourceLocation(),  in CreateDeserialized()
2891 NamespaceDecl *NamespaceDecl::getOriginalNamespace() {  in getOriginalNamespace()
2898 const NamespaceDecl *NamespaceDecl::getOriginalNamespace() const {  in getOriginalNamespace()
2905 bool NamespaceDecl::isOriginalNamespace() const { return isFirstDecl(); }  in isOriginalNamespace()
2907 NamespaceDecl *NamespaceDecl::getNextRedeclarationImpl() {  in getNextRedeclarationImpl()
2911 NamespaceDecl *NamespaceDecl::getPreviousDeclImpl() {  in getPreviousDeclImpl()
2915 NamespaceDecl *NamespaceDecl::getMostRecentDeclImpl() {  in getMostRecentDeclImpl()
2941   if (auto *NS = dyn_cast_or_null<NamespaceDecl>(Namespace))  in Create()