425   SmallVector<StringRef, 4> components;  in append()  local
426   if (!a.isTriviallyEmpty()) components.push_back(a.toStringRef(a_storage));  in append()
427   if (!b.isTriviallyEmpty()) components.push_back(b.toStringRef(b_storage));  in append()
428   if (!c.isTriviallyEmpty()) components.push_back(c.toStringRef(c_storage));  in append()
429   if (!d.isTriviallyEmpty()) components.push_back(d.toStringRef(d_storage));  in append()
431   for (auto &component : components) {  in append()
720   SmallVector<StringRef, 16> components;  in remove_dots()  local
753       if (!components.empty() && components.back() != "..") {  in remove_dots()
754         components.pop_back();  in remove_dots()
756         components.push_back(component);  in remove_dots()
759       components.push_back(component);  in remove_dots()
772   if (!components.empty()) {  in remove_dots()
773     buffer += components[0];  in remove_dots()
774     for (StringRef C : makeArrayRef(components).drop_front()) {  in remove_dots()