ref: 03bb5105883c997471a3d6b37600eb2ad4ae1a6f
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)!