ref: b76819792d8a940cdfed3d07536bcde00c0b296c 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