HAMMER_MAX_RECTYPE
elm->base.rec_type == HAMMER_MAX_RECTYPE &&
base->rec_type = HAMMER_MAX_RECTYPE;
cursor.key_end.rec_type = HAMMER_MAX_RECTYPE;
cursor.key_end.rec_type = HAMMER_MAX_RECTYPE;
cursor.key_end.rec_type = HAMMER_MAX_RECTYPE;
hmp->root_btree_end.rec_type = HAMMER_MAX_RECTYPE;