https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78676
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- This sounds like overflows are happening. Overflow in fortran is undefined.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78676
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- This sounds like overflows are happening. Overflow in fortran is undefined.