PARI polred() bug

Imported from <a href="http://trac.sagemath.org/sage_trac/ticket/13054">trac #13054</a>.



Reported by: rbeezer

Component: number fields

CC: roed

Report Upstream: Fixed upstream, but not in a stable release.

Authors: Jeroen Demeyer

Dependencies: 

Work issues: 

Reviewers: David Roe

Merged in: sage-5.8.beta2

Attachments: <ol><li><a href="http://trac.sagemath.org/sage_trac/attachment/ticket/13054/trac_13054-workaround.patch">trac_13054-workaround.patch: Workaround (it's really a bug in pari)</a> by nbruin at 20130130T19:57:35</li><li><a href="http://trac.sagemath.org/sage_trac/attachment/ticket/13054/pari-2.5.3.p3.diff">pari-2.5.3.p3.diff: Diff for the PARI spkg, for review only</a> by jdemeyer at 20130131T13:52:48</li><li><a href="http://trac.sagemath.org/sage_trac/attachment/ticket/13054/13054_polredbest.patch">13054_polredbest.patch: </a> by jdemeyer at 20130224T09:36:04</li></ol>