ref: f5b19906047cd318f901557731021ad136e5643f
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)!