- for (MapHNode::NameToNode::iterator i = MN->Mapping.begin(),
- End = MN->Mapping.end(); i != End; ++i) {
- if (!MN->isValidKey(i->first())) {
- setError(i->second, Twine("unknown key '") + i->first() + "'");
+ for (const auto &NN : MN->Mapping) {
+ if (!MN->isValidKey(NN.first())) {
+ setError(NN.second, Twine("unknown key '") + NN.first() + "'");