https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78874
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- @item -Wno-aggressive-loop-optimizations @opindex Wno-aggressive-loop-optimizations @opindex Waggressive-loop-optimizations Warn if in a loop with constant number of iterations the compiler detects undefined behavior in some statement during one or more of the iterations.