Revision 1457619

Perl 5.16.3's fix for a rehash-based DoS makes it more difficult to invoke the workaround for the old hash collision attack, which breaks mod_perl's t/perl/hash_attack.t. Patch from rt.cpan.org #83916 improves the fix previously applied as revision 1455340. [Zefram]
Tested by the committer on Windows 7 x64 using Perls 5.8.1, 5.8.2 (VC++ 6.0), 5.10.1, 5.12.5 (VC++ 2008), 5.14.2, 5.16.3, 5.17.5, 5.17.6 and 5.17.9 (VC++ 2010), all against Apache 2.2.22.