message: Silence a warning when building with gcc
diff: @@ -60,6 +60,7 @@ public:
  case InstructionType::AddType: return "ADD_TYPE";
  case InstructionType::AddProperties: return "ADD_PROPERTIES";
  }
  + REALM_COMPILER_HINT_UNREACHABLE();
  }
  util::Optional<util::AppendBuffer<char>> current(std::string realm_path);
  