ref: 6d0a3c75e9a79acec82fc1cae3e97fc6ba0b9d8e dir: /test/link/section-union/data-overlay.asm/
IF !DEF(SECOND) DATA equs "ds 4" ELSE DATA equs "db $aa, $bb, $cc, $dd" ENDC SECTION UNION "overlaid data", ROM0 DATA PURGE DATA