ref: 7a2ee26792b35a714002574bfdbe3ec70b0fe7b9
dir: /test/asm/empty-data-directive.err/
warning: empty-data-directive.asm(6): [-Wempty-data-directive] DB directive without data in ROM warning: empty-data-directive.asm(7): [-Wempty-data-directive] DW directive without data in ROM warning: empty-data-directive.asm(8): [-Wempty-data-directive] DL directive without data in ROM