143   for (const Module *Current = this; Current; Current = Current->Parent) {  in isAvailable()  local
144     if (Current->ShadowingModule) {  in isAvailable()
145       ShadowingModule = Current->ShadowingModule;  in isAvailable()
148     for (unsigned I = 0, N = Current->Requirements.size(); I != N; ++I) {  in isAvailable()
149       if (hasFeature(Current->Requirements[I].first, LangOpts, Target) !=  in isAvailable()
150               Current->Requirements[I].second) {  in isAvailable()
151         Req = Current->Requirements[I];  in isAvailable()
155     if (!Current->MissingHeaders.empty()) {  in isAvailable()
156       MissingHeader = Current->MissingHeaders.front();  in isAvailable()
300     Module *Current = Stack.back();  in markUnavailable()  local
303     if (!needUpdate(Current))  in markUnavailable()
306     Current->IsAvailable = false;  in markUnavailable()
307     Current->IsMissingRequirement |= MissingRequirement;  in markUnavailable()
308     for (submodule_iterator Sub = Current->submodule_begin(),  in markUnavailable()
309                          SubEnd = Current->submodule_end();  in markUnavailable()