lib/Sema/SemaTemplateDeduction.cpp

782       SmallVector<UnexpandedParameterPack, 2> Unexpanded;
783       S.collectUnexpandedParameterPacks(Pattern, Unexpanded);
784       for (unsigned I = 0, N = Unexpanded.size(); I != N; ++I) {
786         llvm::tie(Depth, Index) = getDepthAndIndex(Unexpanded[I]);
1853       SmallVector<UnexpandedParameterPack, 2> Unexpanded;
1854       S.collectUnexpandedParameterPacks(Pattern, Unexpanded);
1855       for (unsigned I = 0, N = Unexpanded.size(); I != N; ++I) {
1857         llvm::tie(Depth, Index) = getDepthAndIndex(Unexpanded[I]);
3405       SmallVector<UnexpandedParameterPack, 2> Unexpanded;
3406       collectUnexpandedParameterPacks(ParamPattern, Unexpanded);
3407       for (unsigned I = 0, N = Unexpanded.size(); I != N; ++I) {
3409         llvm::tie(Depth, Index) = getDepthAndIndex(Unexpanded[I]);