[Bug fortran/61847] bug in gfortran runtime: digits cut off when reading floating point number

[jvdelisle at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61847

--- Comment #18 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> ---
Created attachment 33227
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33227&action=edit
A preliminary patch

This patch is preliminary for "proof of principle". If the idea is acceptable,
then configuration magic is required to ensure the locale.h is available, and
if not, default to '.'.