Just to verify what Corion said, I decided to try the same version of perl you used, but on a different operating system (FreeBSD 4.0-STABLE). The result was a seg fault. I tried perl 5.6 on FreeBSD 4.0-STABLE and had no problems with the program, so I think we can pretty much say it's that perl version, not your machine. Here's the output from the failed test: 
[first dumper removed]
Attempt to free unreferenced scalar at /usr/libdata/perl/5.00503/mach/
+Data/Dumper.pm line 350.
Segmentation fault(core dumped)

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I also tested the problematic perl version on FreeBSD 4.0-RELEASE, just because. Here's the output in case anyone is interested: 

[first dumper removed]
perl in free(): warning: junk pointer, too high to make sense.
Use of uninitialized value at /usr/libdata/perl/5.00503/overload.pm li
+ne 97.
Use of uninitialized value at /usr/libdata/perl/5.00503/overload.pm li
+ne 99.
Use of uninitialized value at /usr/libdata/perl/5.00503/overload.pm li
+ne 97.
Use of uninitialized value at /usr/libdata/perl/5.00503/overload.pm li
+ne 99.
Use of uninitialized value at /usr/libdata/perl/5.00503/overload.pm li
+ne 97.
Use of uninitialized value at /usr/libdata/perl/5.00503/overload.pm li
+ne 99.
Use of uninitialized value at /usr/libdata/perl/5.00503/overload.pm li
+ne 97.
Use of uninitialized value at /usr/libdata/perl/5.00503/overload.pm li
+ne 99.
Use of uninitialized value at /usr/libdata/perl/5.00503/overload.pm li
+ne 90.
Use of uninitialized value at /usr/libdata/perl/5.00503/mach/Data/Dump
+er.pm line 229.
Use of uninitialized value at /usr/libdata/perl/5.00503/mach/Data/Dump
+er.pm line 254.
Segmentation fault(core dumped)

[download]

In reply to (kudra: the prob isn't your computer) RE: Core Dumping with Arrays by kudra
in thread Core Dumping with Arrays by btrott

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