ref: 3c5e1caa7c29d1a559d1144d3d00d9d981a7ac9a 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