116     if (const TemplateSpecializationType *TST =  in desugarForDiagnostic()  local
118       if (!TST->isTypeAlias()) {  in desugarForDiagnostic()
121         for (unsigned I = 0, N = TST->getNumArgs(); I != N; ++I) {  in desugarForDiagnostic()
122           const TemplateArgument &Arg = TST->getArg(I);  in desugarForDiagnostic()
133               TST->getTemplateName(), Args, QT);  in desugarForDiagnostic()
968       const TemplateSpecializationType *TST;  member
982       InternalIterator(const TemplateSpecializationType *TST)  in InternalIterator()
983           : TST(TST), Index(0), CurrentTA(nullptr), EndTA(nullptr) {  in InternalIterator()
984         if (!TST) return;  in InternalIterator()
989         TemplateArgument TA = TST->getArg(0);  in InternalIterator()
1005       bool isValid() const { return TST; }  in isValid()
1009         assert(TST && "InternalIterator is invalid with a null TST.");  in isEnd()
1010         return Index >= TST->getNumArgs();  in isEnd()
1015         assert(TST && "InternalIterator is invalid with a null TST.");  in operator ++()
1030           if (++Index == TST->getNumArgs())  in operator ++()
1034           TemplateArgument TA = TST->getArg(Index);  in operator ++()
1051         assert(TST && "InternalIterator is invalid with a null TST.");  in operator *()
1054           return TST->getArg(Index);  in operator *()
1061         assert(TST && "InternalIterator is invalid with a null TST.");  in operator ->()
1070     TSTiterator(ASTContext &Context, const TemplateSpecializationType *TST)  in TSTiterator()  argument
1071         : SugaredIterator(TST),  in TSTiterator()
1073               (TST->isSugared() && !TST->isTypeAlias())  in TSTiterator()
1074                   ? GetTemplateSpecializationType(Context, TST->desugar())  in TSTiterator()
1119     if (const TemplateSpecializationType *TST =  in GetTemplateSpecializationType()  local
1121       return TST;  in GetTemplateSpecializationType()
1397       const TemplateSpecializationType *TST) {  in makeTemplateList()  argument
1398     while (TST) {  in makeTemplateList()
1399       TemplateList.push_back(TST);  in makeTemplateList()
1400       if (!TST->isTypeAlias())  in makeTemplateList()
1402       TST = TST->getAliasedType()->getAs<TemplateSpecializationType>();  in makeTemplateList()