ref: c4361b965c965a1274fc43286c30c8769e8ebdd4
dir: /test/asm/ds-bad.err/
error: ds-bad.asm(3):
Expected constant expression: 'unknown' is not constant at assembly time
warning: ds-bad.asm(4): [-Wtruncation]
Expression must be 8-bit
error: Assembly aborted (1 error)!