goIdent[name.Name] = name
		if dt.ByteSize < 0 {
			// Don't override old type
			if _, ok := typedef[name.Name]; ok {
				break
			}

			// Size calculation in c.Struct/c.Opaque will die with size=-1 (unknown),
			// so execute the basic things that the struct case would do
			// other than try to determine a Go representation.
			tt := *t
			tt.C = &TypeRepr{"%s %s", []interface{}{dt.Kind, tag}}