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

[kargl at gcc dot gnu.org]

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

--- Comment #5 from kargl at gcc dot gnu.org ---
Patch posted here.

https://gcc.gnu.org/ml/gcc-patches/2015-07/msg00235.html