ref: c4359c1058e7459c41ca0a7d45c48d6a94f5370b
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)!