[Bug fortran/68950] [fortran] gfc_format_decoder cannot handle %qE

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68950

--- Comment #6 from vries at gcc dot gnu.org ---
posted RFC: https://gcc.gnu.org/ml/gcc-patches/2015-12/msg01749.html