https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110556
--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to CTC from comment #6) > (In reply to Andrew Pinski from comment #4) > > Reducing this but it is taking a little longer as I get to the case where we > > get undefined code on accident so I need to test it using > > -fsanitize=undefined,address also. > > For the unreduced program and optimizations, I test it with > -fno-strict-aliasing -fwrapv -fno-aggressive-loop-optimizations and > -fsanitize=undefined. Both of them got floating point exception too. > > I reduced the program with -fsanitize=undefined. The result doesn't get > floating point exception. But its return value is not 0. That is still undefined code ... as the return value of the app is not specified in the source.
