2844   if (auto *NS = dyn_cast_or_null<NamespaceDecl>(Used))  in Create()
2858 NamespaceDecl *UsingDirectiveDecl::getNominatedNamespace() {  in getNominatedNamespace()
2861   return cast_or_null<NamespaceDecl>(NominatedNamespace);  in getNominatedNamespace()
2864 NamespaceDecl::NamespaceDecl(ASTContext &C, DeclContext *DC, bool Inline,  in NamespaceDecl()  function in NamespaceDecl
2866                              IdentifierInfo *Id, NamespaceDecl *PrevDecl)  in NamespaceDecl()
2876 NamespaceDecl *NamespaceDecl::Create(ASTContext &C, DeclContext *DC,  in Create()
2879                                      NamespaceDecl *PrevDecl) {  in Create()
2880   return new (C, DC) NamespaceDecl(C, DC, Inline, StartLoc, IdLoc, Id,  in Create()
2884 NamespaceDecl *NamespaceDecl::CreateDeserialized(ASTContext &C, unsigned ID) {  in CreateDeserialized()
2885   return new (C, ID) NamespaceDecl(C, nullptr, false, SourceLocation(),  in CreateDeserialized()
2889 NamespaceDecl *NamespaceDecl::getOriginalNamespace() {  in getOriginalNamespace()
2896 const NamespaceDecl *NamespaceDecl::getOriginalNamespace() const {  in getOriginalNamespace()
2903 bool NamespaceDecl::isOriginalNamespace() const { return isFirstDecl(); }  in isOriginalNamespace()
2905 NamespaceDecl *NamespaceDecl::getNextRedeclarationImpl() {  in getNextRedeclarationImpl()
2909 NamespaceDecl *NamespaceDecl::getPreviousDeclImpl() {  in getPreviousDeclImpl()
2913 NamespaceDecl *NamespaceDecl::getMostRecentDeclImpl() {  in getMostRecentDeclImpl()
2939   if (auto *NS = dyn_cast_or_null<NamespaceDecl>(Namespace))  in Create()