ref: 8d1b56bcf5c1db3442a6ef6e8dc9d0e08d8b9689 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