[Bug fortran/66725] Issue with silent conversion int to char, ICE if int too large

[gerhard.steinmetz.fortran@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66725

--- Comment #2 from Gerhard Steinmetz <gerhard.steinmetz.fortran@t-online.de> ---
A more extensive list of different cases :

   close (1, status=257)
   open (1, access=257)
   open (1, action=257)
   open (1, asynchronous=257)
   open (1, blank=257)
   open (1, delim=257)
   open (1, decimal=257)
   open (1, encoding=257)
   open (1, form=257)
   open (1, pad=257)
   open (1, position=257)
   open (1, round=257)
   open (1, sign=257)
   open (1, status=257)
   read (1, asynchronous=257)
   read (1, blank=257)
   read (1, delim=257)
   read (1, decimal=257)
   read (1, pad=257)
   read (1, round=257)
   read (1, sign=257)
   write (1, asynchronous=257)
   write (1, blank=257)
   write (1, delim=257)
   write (1, decimal=257)
   write (1, pad=257)
   write (1, round=257)
   write (1, sign=257)