------- Comment #7 from pluto at agmk dot net 2007-01-16 07:00 ------- (In reply to comment #6) > I forgot to mention GCC already has an option to trap on every signed overflow, > -ftrapv, which might be faster than doing it by hand. and it doesn't work -> PR19020 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30475