[Bug libfortran/93567] G edit descriptor uses E instead of F editing in rounding mode UP

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93567

--- Comment #10 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Created attachment 48922
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48922&action=edit
Patch adjusted for GCC8 and 9