126   ModuleScopes.back().BeginLoc = StartOfTU;  in HandleStartOfHeaderUnit()
127   ModuleScopes.back().Module = Mod;  in HandleStartOfHeaderUnit()
236     Diag(VisibleModules.getImportLoc(ModuleScopes.back().Module),  in ActOnModuleDecl()
252             : ModuleScopes.back().BeginLoc;  in ActOnModuleDecl()
296                                                 ? Partition.back().second  in ActOnModuleDecl()
297                                                 : Path.back().second)  in ActOnModuleDecl()
368       ModuleScopes.back().OuterVisibleModules = std::move(VisibleModules);  in ActOnModuleDecl()
375   ModuleScopes.back().BeginLoc = StartLoc;  in ActOnModuleDecl()
376   ModuleScopes.back().Module = Mod;  in ActOnModuleDecl()
409     Context.addModuleInitializer(ModuleScopes.back().Module, Import);  in ActOnModuleDecl()
428                                : ModuleScopes.back().Module->Kind) {  in ActOnPrivateModuleFragmentDecl()
440     Diag(ModuleScopes.back().BeginLoc, diag::note_previous_definition);  in ActOnPrivateModuleFragmentDecl()
445     Diag(ModuleScopes.back().BeginLoc,  in ActOnPrivateModuleFragmentDecl()
447         << FixItHint::CreateInsertion(ModuleScopes.back().BeginLoc, "export ");  in ActOnPrivateModuleFragmentDecl()
464           ModuleScopes.back().Module, PrivateLoc);  in ActOnPrivateModuleFragmentDecl()
469   ModuleScopes.back().BeginLoc = ModuleLoc;  in ActOnPrivateModuleFragmentDecl()
470   ModuleScopes.back().Module = PrivateModuleFragment;  in ActOnPrivateModuleFragmentDecl()
499     Module *NamedMod = ModuleScopes.back().Module;  in ActOnModuleImport()
603     Context.addModuleInitializer(ModuleScopes.back().Module, Import);  in ActOnModuleImport()
609         << SourceRange(ExportLoc, Path.back().second);  in ActOnModuleImport()
651       Context.addModuleInitializer(ModuleScopes.back().Module, ImportD);  in BuildModuleInclude()
671   ModuleScopes.back().Module = Mod;  in ActOnModuleBegin()
673     ModuleScopes.back().OuterVisibleModules = std::move(VisibleModules);  in ActOnModuleBegin()
693     VisibleModules = std::move(ModuleScopes.back().OuterVisibleModules);  in ActOnModuleEnd()
699   assert(!ModuleScopes.empty() && ModuleScopes.back().Module == Mod &&  in ActOnModuleEnd()
772     Diag(ModuleScopes.back().BeginLoc,  in ActOnStartExportDecl()
774         << FixItHint::CreateInsertion(ModuleScopes.back().BeginLoc, "export ");  in ActOnStartExportDecl()
777   } else if (ModuleScopes.back().Module->Kind ==  in ActOnStartExportDecl()
780     Diag(ModuleScopes.back().BeginLoc, diag::note_private_module_fragment);  in ActOnStartExportDecl()