[Bug fortran/57822] I/O: "(g0)" wrongly prints "E+0000"

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57822

--- Comment #9 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> I am afraid that the test will fail on targets without REAL(10).

see https://gcc.gnu.org/ml/gcc-patches/2015-02/msg00698.html and e.g.,
https://gcc.gnu.org/ml/gcc-testresults/2015-02/msg01269.html.