ModelSimのバグ?

ModelSimAE10.1の結果。なぜそうなった・・・
# n=4
# n=4
# n=4
# n=4

ModelSimAE10.1の結果。なぜそうなった・・・
# n=4
# n=4
# n=4
# n=4

for(int n=0;n<4;n++)begin
fork
begin
$display("n=%0d",n);
end
join_none
end
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