ref: 5b6c1569a4e8835f1e3225b90c8c19203a99bc6b 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