[Bug libfortran/77828] [7 Regression] Linking gfortran-7 compiled program with libgfortran of 5.x allowed but crashes when containing write to string

["jvdelisle at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77828

--- Comment #6 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> ---
Author: jvdelisle
Date: Mon Oct 24 21:42:29 2016
New Revision: 241497

URL: https://gcc.gnu.org/viewcvs?rev=241497&root=gcc&view=rev
Log:
2016-10-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/77828
        * io/io.h (st_parameter_dt): Reorder for readability and sanity.
        * io/transfer.c (data_transfer_init): Remove TODO and enable the
        runtime error message, rec= specifier not allowed in STREAM
        access.
        * libtool-version: Bump major version of libgfortran to 4.

        * ioparm.def: Reorder dt parameters to match libgfortran.
        * libgfortran.h: Swap definitions of GFC_INTERNAL_UNIT and
        GFC_INTERNAL_UNIT4.

Added:
    trunk/gcc/testsuite/gfortran.dg/streamio_17.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/ioparm.def
    trunk/gcc/fortran/libgfortran.h
    trunk/libgfortran/ChangeLog
    trunk/libgfortran/io/io.h
    trunk/libgfortran/io/transfer.c
    trunk/libgfortran/libtool-version