http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55456
Bug #: 55456 Summary: [4.8 Regression] 454.calculix in SPEC CPU 2006 is miscompiled Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end AssignedTo: unassig...@gcc.gnu.org ReportedBy: hjl.to...@gmail.com CC: areg.melikadam...@gmail.com On Linux/i686, revision 193723 miscompiled 454.calculix in SPEC CPU 2006 with -O3 -funroll-loops -msse2 -mfpmath=sse -ffast-math -ffixed-form 454.calculix is compiled into an infinite loop.