http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48766
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #14 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-01-14 16:01:36 UTC --- Because it behaves differently. ./xgcc -B ./ -fwrapv -ftrapv -fno-trapv -fverbose-asm -S -xc /dev/null -o - 2>&1 | grep rapv # -march=x86-64 -auxbase-strip - -fno-trapv -fverbose-asm with Negative(fwrapv) resp. Negative(ftrapv) added instead of this patch, while with that patch it was -fwrapv.