ref: e098bf47bae28c2e0ed83291b5ddde35b1da0c26 dir: /test/link/section-union/split-data.asm/
IF !DEF(SECOND) DATA equs "ds 1\ndb $aa" ELSE DATA equs "db $bb\nds 1" ENDC SECTION UNION "mutually-overlaid data", ROM0 DATA PURGE DATA