2009-12-11  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/40290
        * expr.c (gfc_type_convert_binary): Added warn-on-conversion flag,
        passed on to gfc_convert_type_warn() instead of gfc_convert_type();
        enabled warnings on all callers but ...
        * arith.c (eval_intrinsic): Disabled warnings on implicit type
        conversion.
        * gfortran.h gfc_type_convert_binary): Adjusted prototype.

From-SVN: r155179