ref: e2136d60b2db6c714a0c7c84f38bbcad5c519b71 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