http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56522
--- Comment #13 from wbrana <wbrana at gmail dot com> 2013-03-08 17:57:32 UTC --- There is almost no difference with reduced test case. Assignment in nbench can be tested with: ./nbench -cCOM.DAT where file COM.DAT has content: ALLSTATS=F DONUMSORT=F DOSTRINGSORT=F DOBITFIELD=F DOEMF=F DOFOUR=F DOASSIGN=T DOIDEA=F DOHUFF=F DONNET=F DOLU=F Which CPU have you tested?