[Bug libfortran/98076] Increase speed of integer I/O

[fxcoudert at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98076

--- Comment #8 from Francois-Xavier Coudert <fxcoudert at gcc dot gnu.org> ---
Patch posted at https://gcc.gnu.org/pipermail/fortran/2021-December/057219.html