[Bug fortran/91828] gcc/fortran/check.c requires mpfr_set_z_2exp from MPFR 3.0.0, unavailable in mpfr-2.4.2

[jb at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91828

Janne Blomqvist <jb at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #7 from Janne Blomqvist <jb at gcc dot gnu.org> ---
Fixed on trunk, closing. Also added a note to
https://gcc.gnu.org/gcc-10/changes.html .