ref: 4c0fa6732e6f56979924b1a4299ca3f811ecfba6
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 errors)!