173       NamedDecl *Existing;  member in clang::ASTDeclReader::FindExistingResult
183           : Reader(Reader), New(nullptr), Existing(nullptr), AddResult(false),  in FindExistingResult()
186       FindExistingResult(ASTReader &Reader, NamedDecl *New, NamedDecl *Existing,  in FindExistingResult()  argument
189           : Reader(Reader), New(New), Existing(Existing), AddResult(true),  in FindExistingResult()
194           : Reader(Other.Reader), New(Other.New), Existing(Other.Existing),  in FindExistingResult()
207       operator NamedDecl*() const { return Existing; }  in operator NamedDecl*()
210       operator T*() const { return dyn_cast_or_null<T>(Existing); }  in operator T*()
349     void mergeRedeclarable(Redeclarable<T> *D, T *Existing,
357                               RedeclarableTemplateDecl *Existing,
2314   if (auto *Existing = Redecl.getKnownMergeTarget())  in mergeRedeclarable()  local
2316     mergeRedeclarable(D, cast<T>(Existing), Redecl, TemplatePatternID);  in mergeRedeclarable()
2318     if (T *Existing = ExistingRes)  in mergeRedeclarable()  local
2319       mergeRedeclarable(D, Existing, Redecl, TemplatePatternID);  in mergeRedeclarable()
2333                                          RedeclarableTemplateDecl *Existing,  in mergeTemplatePattern()  argument
2336   auto *ExistingPattern = Existing->getTemplatedDecl();  in mergeTemplatePattern()
2374 void ASTDeclReader::mergeRedeclarable(Redeclarable<T> *DBase, T *Existing,  in mergeRedeclarable()  argument
2378   T *ExistingCanon = Existing->getCanonicalDecl();  in mergeRedeclarable()
2428     if (T *Existing = ExistingRes)  in mergeMergeable()  local
2430                                           Existing->getCanonicalDecl());  in mergeMergeable()
2835   if (!AddResult || Existing)  in ~FindExistingResult()
2943     if (auto *Existing = getAnonymousDeclForMerging(  in findExisting()  local
2945       if (isSameEntity(Existing, D))  in findExisting()
2946         return FindExistingResult(Reader, D, Existing, AnonymousDeclNumber,  in findExisting()
2978       if (NamedDecl *Existing = getDeclForMerging(*I, TypedefNameForLinkage))  in findExisting()  local
2979         if (isSameEntity(Existing, D))  in findExisting()
2980           return FindExistingResult(Reader, D, Existing, AnonymousDeclNumber,  in findExisting()
2986       if (NamedDecl *Existing = getDeclForMerging(*I, TypedefNameForLinkage))  in findExisting()  local
2987         if (isSameEntity(Existing, D))  in findExisting()
2988           return FindExistingResult(Reader, D, Existing, AnonymousDeclNumber,  in findExisting()
3594         ObjCCategoryDecl *&Existing = NameCategoryMap[Cat->getDeclName()];  in add()  local
3595         if (Existing &&   in add()
3596             Reader.getOwningModuleFile(Existing)   in add()
3611           Reader.Diag(Existing->getLocation(), diag::note_previous_definition);  in add()
3612         } else if (!Existing) {  in add()
3614           Existing = Cat;  in add()