[Bug fortran/84487] [8/9 Regression] Large rodate section increase in 465.tonto with r254427

[tkoenig at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84487

--- Comment #20 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
Sometimes life can be easy.

We need to make -fzero-initialized-in-bss the default for
gfortran.