re PR fortran/53985 (-Wno-c-binding-type still prints a warning)

re PR fortran/53985 (-Wno-c-binding-type still prints a warning)

2012-07-17  Tobias Burnus  <burnus@net-b.de>

        PR fortran/53985
        * decl.c (gfc_verify_c_interop_param): Make warning conditional
        on -Wc-binding-type works and improve the wording.

2012-07-17  Tobias Burnus  <burnus@net-b.de>

        PR fortran/53985
        * gfortran.dg/bind_c_usage_26.f90: New.
        * gfortran.dg/bind_c_procs.f03: Add dg-options
        * "-Wc-binding-type".
        * gfortran.dg/bind_c_usage_13.f03: Ditto.
        * gfortran.dg/bind_c_usage_18.f90: Ditto.
        * gfortran.dg/interop_params.f03: Ditto.

From-SVN: r189586