I should mention: We are using Perl 5.8.8 on that server. Also, here's a third case of it happening, in the Fennec test suite. Search through CPAN tester data via Google may find more:

In reply to Re^2: panic: attempt to copy freed scalar a7b9650 to ad20598 by markjugg
in thread panic: attempt to copy freed scalar a7b9650 to ad20598 by mje

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