ref: 646fc62b89f10a9de203d3989a7e9a140557f88f dir: /test/link/section-union/different-syntaxes.asm/
IF !DEF(SECOND) INSTR equs "sbc a" ELSE INSTR equs "db $9f" ENDC SECTION UNION "different syntaxes", ROM0 INSTR PURGE INSTR