ref: c98d92a4c4d97e8118bc3ad122b500e16aefa5f2
dir: /test/asm/compound-assignment.err/
error: compound-assignment.asm(36):
'__LINE__' already defined as constant at <builtin>
error: compound-assignment.asm(39):
Expected constant expression: 'UnDeFiNeD' is not constant at assembly time
error: Assembly aborted (2 errors)!