746   EnumDecl *PrevDecl = nullptr;  in VisitEnumDecl()  local
752     PrevDecl = cast<EnumDecl>(Prev);  in VisitEnumDecl()
757                                     PrevDecl, D->isScoped(),  in VisitEnumDecl()
908   CXXRecordDecl *PrevDecl = nullptr;  in VisitClassTemplateDecl()  local
916         PrevDecl = PrevClassTemplate->getTemplatedDecl();  in VisitClassTemplateDecl()
946         PrevDecl = PrevClassTemplate->getTemplatedDecl();  in VisitClassTemplateDecl()
1006                             Pattern->getIdentifier(), PrevDecl,  in VisitClassTemplateDecl()
1223   CXXRecordDecl *PrevDecl = nullptr;  in VisitCXXRecordDecl()  local
1225     PrevDecl = cast<CXXRecordDecl>(Owner);  in VisitCXXRecordDecl()
1231     PrevDecl = cast<CXXRecordDecl>(Prev);  in VisitCXXRecordDecl()
1237                             D->getIdentifier(), PrevDecl);  in VisitCXXRecordDecl()
2288     UsingShadowDecl *PrevDecl = nullptr;  in VisitUsingDecl()  local
2290       if (SemaRef.CheckUsingShadowDecl(NewUD, InstTarget, Prev, PrevDecl))  in VisitUsingDecl()
2294       PrevDecl = cast_or_null<UsingShadowDecl>(SemaRef.FindInstantiatedDecl(  in VisitUsingDecl()
2300                                      PrevDecl);  in VisitUsingDecl()
2476   ClassTemplateSpecializationDecl *PrevDecl =  in VisitClassTemplateSpecializationDecl()  local
2482   if (PrevDecl &&  in VisitClassTemplateSpecializationDecl()
2485                                                      PrevDecl,  in VisitClassTemplateSpecializationDecl()
2486                                                      PrevDecl->getSpecializationKind(),  in VisitClassTemplateSpecializationDecl()
2487                                                      PrevDecl->getPointOfInstantiation(),  in VisitClassTemplateSpecializationDecl()
2503   if (PrevDecl && PrevDecl->getDefinition() &&  in VisitClassTemplateSpecializationDecl()
2505     SemaRef.Diag(D->getLocation(), diag::err_redefinition) << PrevDecl;  in VisitClassTemplateSpecializationDecl()
2506     SemaRef.Diag(PrevDecl->getDefinition()->getLocation(),  in VisitClassTemplateSpecializationDecl()
2521                                               PrevDecl);  in VisitClassTemplateSpecializationDecl()
2525   if (!PrevDecl)  in VisitClassTemplateSpecializationDecl()
2763   ClassTemplateSpecializationDecl *PrevDecl  in InstantiateClassTemplatePartialSpecialization()  local
2787   if (PrevDecl) {  in InstantiateClassTemplatePartialSpecialization()
2805     SemaRef.Diag(PrevDecl->getLocation(), diag::note_prev_partial_spec_here)  in InstantiateClassTemplatePartialSpecialization()
2806       << SemaRef.Context.getTypeDeclType(PrevDecl);  in InstantiateClassTemplatePartialSpecialization()
2887   VarTemplateSpecializationDecl *PrevDecl =  in InstantiateVarTemplatePartialSpecialization()  local
2906   if (PrevDecl) {  in InstantiateVarTemplatePartialSpecialization()
2925     SemaRef.Diag(PrevDecl->getLocation(),  in InstantiateVarTemplatePartialSpecialization()