------- Comment #4 from rguenth at gcc dot gnu dot org 2010-02-14 16:28 ------- (In reply to comment #3) > (In reply to comment #2) > > Track down the regression that caused this > > r156519 > > >and see what actually is the difference in generated code and/or tree/rtl > >dumps. > > what output would be the most useful?
Make one directory for each revision for outputs from -fdump-tree-all, tar them up and attach them. A single testcase that passes before and fails after the revision should be enough. You can leave out dumps that are identical for both revisions. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43061
