290       if (auto SourceDC = LookupSameContext(SourceTU, DC, Reverse)) {  in ForEachMatchingDC()  local
292         if (Callback(*Importer, Reverse, SourceDC))  in ForEachMatchingDC()
308                              Source<const DeclContext *> SourceDC) -> bool {  in CompleteType()  argument
309     auto *SourceTag = const_cast<TagDecl *>(cast<TagDecl>(SourceDC.get()));  in CompleteType()
326                      Source<const DeclContext *> SourceDC) -> bool {  in CompleteType()  argument
328             cast<ObjCInterfaceDecl>(SourceDC.get()));  in CompleteType()
347                         Source<const DeclContext *> SourceDC) -> bool {  in CanComplete()  argument
486                         Source<const DeclContext *> SourceDC) -> bool {  in FindExternalVisibleDeclsByName()  argument
493                           SourceDC.get()->lookup(*FromNameOrErr);  in FindExternalVisibleDeclsByName()
527                             Source<const DeclContext *> SourceDC) -> bool {  in FindExternalLexicalDecls()  argument
528     for (const Decl *SourceDecl : SourceDC.get()->decls()) {  in FindExternalLexicalDecls()