[Bug 196836] New: perl-5.8.8-5 is 30X slower than perl-5.8.8-4

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https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=196836

           Summary: perl-5.8.8-5 is 30X slower than perl-5.8.8-4
           Product: Fedora Core
           Version: fc5
          Platform: i386
        OS/Version: Linux
            Status: NEW
          Severity: high
          Priority: normal
         Component: perl
        AssignedTo: jvdias at redhat.com
        ReportedBy: ckuskie at sterlink.net
         QAContact: dkl at redhat.com
                CC: fedora-perl-devel-list at redhat.com


Description of problem:

I write and maintain tests for WebGUI, and after upgrading my
laptop (running FC5) on June 17th I noticed a huge slowdown
in performance in the tests.

>From the list of upgraded packages, I traced it down to perl
itself.

Here's data before and after a downgrade back to perl-5.8.8-4:

[colink at redwall t]$ rpm -qf /usr/bin/prove
perl-5.8.8-5
[colink at redwall t]$ prove --timer i18n/label.t
i18n/label....ok 1125.916s
All tests successful.
Files=1, Tests=6470, 1125 wallclock secs (1068.49 cusr +  1.27 csys = 1069.76 CPU)
[colink at redwall t]$ rpm -qf /usr/bin/prove
perl-5.8.8-4
[colink at redwall t]$ !prove
prove --timer i18n/label.t
i18n/label....ok   38.331s
All tests successful.
Files=1, Tests=6470, 39 wallclock secs (36.92 cusr +  0.47 csys = 37.39 CPU)

1125/39 =~ 30

Version-Release number of selected component (if applicable):
perl-5.8.8-5

How reproducible:
Every time.

Steps to Reproduce:
1. Install perl-5.8.8-5
2. Huge slowdown in perl.
3.

Additional info:

The test with the most slowdown uses the Text::Balanced module.

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