An excellent one-liner! It crashes Ruby 1.9, crashes JRuby, crashes/hangs Rubinius. Thanks, --Vladimir On Thu, Apr 3, 2008 at 11:05 AM, ts <decoux / moulon.inra.fr> wrote: > > Apparently some tests are missing in defineclass > > vgs% ./ruby -e 'A = 12; class A::B; end' > -e:1: [BUG] Segmentation fault > ruby 1.9.0 (2008-04-03 revision 15893) [i686-linux]