You are mistaken. With almut's fix, it can't possibly give the same error. And it works fine too.

>c:\progs\perl5101\bin\perl bin.pl
000
001
010
011
100
101
110
111

>c:\progs\perl5100\bin\perl bin.pl
000
001
010
011
100
101
110
111

>c:\progs\perl589\bin\perl bin.pl
000
001
010
011
100
101
110
111

>c:\progs\perl588\bin\perl bin.pl
000
001
010
011
100
101
110
111

>c:\progs\perl580\bin\perl bin.pl
000
001
010
011
100
101
110
111

>c:\progs\perl561\bin\perl bin.pl
000
001
010
011
100
101
110
111

>c:\progs\perl560\bin\perl bin.pl
000
001
010
011
100
101
110
111
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