ref: 20a26599a3de9fa7c24f8daef7310721b2c2958a
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)!