ref: 8e2a164a32b488ef3955250889f1873f77fcf115
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)!