http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53641
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |INVALID --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-06-12 06:02:55 UTC --- 4.1.2 is old and we are not going to debug why your pass is not working. I think it is time to pull out the old trusty gdb and see where the segfault is located at. You also don't say where you place your pass.