ref: bcb78f5d186592d66127f7f07e6c85d059f7ccb9
dir: /test/asm/ref-override-bad.err/
ERROR: ref-override-bad.asm(8):
'X' already referenced at ref-override-bad.asm(7)
ERROR: ref-override-bad.asm(13):
'Y' already referenced at ref-override-bad.asm(10)
error: Assembly aborted (2 errors)!