Merge "Fix uninitialized macro reference member" into sc-dev am: ea15d442

// A reference can be symbolic (with the name set to a valid resource name) or be

// numeric (the id is set to a valid resource ID).

struct Reference : public TransformableItem<Reference, BaseItem<Reference>> {

  enum class Type {

  enum class Type : uint8_t {

    kResource,

    kAttribute,

  };

  Maybe<ResourceName> name;

  Maybe<ResourceId> id;

  std::optional<uint32_t> type_flags;

  Reference::Type reference_type;

  bool private_reference = false;

  bool is_dynamic = false;

  std::optional<uint32_t> type_flags;

  bool allow_raw;

  bool allow_raw = false;

  Reference();

  explicit Reference(const ResourceNameRef& n, Type type = Type::kResource);