Merge "[DO NOT MERGE] Fix enum-compare-switch warning"

            for (const FD::named_value_type &p : f.namedValues()) {

                cout << sep << p.first << "=";

                switch (f.type()) {

                case C2Value::INT32: cout << get(p.second, (int32_t *)0); break;

                case C2Value::INT64: cout << get(p.second, (int64_t *)0); break;

                case C2Value::UINT32: cout << get(p.second, (uint32_t *)0); break;

                case C2Value::UINT64: cout << get(p.second, (uint64_t *)0); break;

                case C2Value::FLOAT: cout << get(p.second, (float *)0); break;

                case C2FieldDescriptor::INT32: cout << get(p.second, (int32_t *)0); break;

                case C2FieldDescriptor::INT64: cout << get(p.second, (int64_t *)0); break;

                case C2FieldDescriptor::UINT32: cout << get(p.second, (uint32_t *)0); break;

                case C2FieldDescriptor::UINT64: cout << get(p.second, (uint64_t *)0); break;

                case C2FieldDescriptor::FLOAT: cout << get(p.second, (float *)0); break;

                default: cout << "???"; break;

                }

                sep = ",";