On Linux/ia32 and Linux/intel64, 465.tonto in SPEC CPU 2006 failed to run at -O3:
Running 465.tonto ref base o3 default 65.tonto: copy #0 non-zero return code (rc=0, signal=11) Revision 153787 is OK and revision 153795 is bad. -- Summary: [4.5 Regression] 465.tonto in SPEC CPU 2006 runtime failure Product: gcc Version: 4.5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: hjl dot tools at gmail dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41907