Revision 132991: http://gcc.gnu.org/ml/gcc-patches/2008-03/msg00445.html
breaks 483.xalancbmk in SPEC CPU 2006 on Linux/Intel64 with -O2 -ffast-math. I got Running 483.xalancbmk ref base o2 default 483.xalancbmk: copy #0 non-zero return code (rc=0, signal=6) **************************************** Contents of ref.err **************************************** terminate called after throwing an instance of 'xercesc_2_5::DOMException' **************************************** That optimization may not be valid for C++ code. -- Summary: [4.4 Regression]: Revision 132991 breaks 483.xalancbmk Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: major Priority: P3 Component: tree-optimization 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=35494