212   ModuleScopes.back().BeginLoc = StartOfTU;  in HandleStartOfHeaderUnit()
213   ModuleScopes.back().Module = Mod;  in HandleStartOfHeaderUnit()
322     Diag(VisibleModules.getImportLoc(ModuleScopes.back().Module),  in ActOnModuleDecl()
338             : ModuleScopes.back().BeginLoc;  in ActOnModuleDecl()
382                                                 ? Partition.back().second  in ActOnModuleDecl()
383                                                 : Path.back().second)  in ActOnModuleDecl()
454       ModuleScopes.back().OuterVisibleModules = std::move(VisibleModules);  in ActOnModuleDecl()
461   ModuleScopes.back().BeginLoc = StartLoc;  in ActOnModuleDecl()
462   ModuleScopes.back().Module = Mod;  in ActOnModuleDecl()
499     Context.addModuleInitializer(ModuleScopes.back().Module, Import);  in ActOnModuleDecl()
518                                : ModuleScopes.back().Module->Kind) {  in ActOnPrivateModuleFragmentDecl()
530     Diag(ModuleScopes.back().BeginLoc, diag::note_previous_definition);  in ActOnPrivateModuleFragmentDecl()
535     Diag(ModuleScopes.back().BeginLoc,  in ActOnPrivateModuleFragmentDecl()
537         << FixItHint::CreateInsertion(ModuleScopes.back().BeginLoc, "export ");  in ActOnPrivateModuleFragmentDecl()
554           ModuleScopes.back().Module, PrivateLoc);  in ActOnPrivateModuleFragmentDecl()
559   ModuleScopes.back().BeginLoc = ModuleLoc;  in ActOnPrivateModuleFragmentDecl()
560   ModuleScopes.back().Module = PrivateModuleFragment;  in ActOnPrivateModuleFragmentDecl()
589     Module *NamedMod = ModuleScopes.back().Module;  in ActOnModuleImport()
697     Context.addModuleInitializer(ModuleScopes.back().Module, Import);  in ActOnModuleImport()
703         << SourceRange(ExportLoc, Path.back().second);  in ActOnModuleImport()
745       Context.addModuleInitializer(ModuleScopes.back().Module, ImportD);  in BuildModuleInclude()
765   ModuleScopes.back().Module = Mod;  in ActOnAnnotModuleBegin()
767     ModuleScopes.back().OuterVisibleModules = std::move(VisibleModules);  in ActOnAnnotModuleBegin()
787     VisibleModules = std::move(ModuleScopes.back().OuterVisibleModules);  in ActOnAnnotModuleEnd()
793   assert(!ModuleScopes.empty() && ModuleScopes.back().Module == Mod &&  in ActOnAnnotModuleEnd()
865       Diag(ModuleScopes.back().BeginLoc,  in ActOnStartExportDecl()
867           << FixItHint::CreateInsertion(ModuleScopes.back().BeginLoc, "export ");  in ActOnStartExportDecl()
870     } else if (ModuleScopes.back().Module->Kind ==  in ActOnStartExportDecl()
873       Diag(ModuleScopes.back().BeginLoc, diag::note_private_module_fragment);  in ActOnStartExportDecl()