gcc/fortran/:
2010-05-20  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/38407
        * lang.opt (Wunused-dummy-argument): New option.
        * gfortran.h (gfc_option_t): Add warn_unused_dummy_argument.
        * options.c (gfc_init_options): Disable warn_unused_dummy_argument.
        (set_Wall): Enable warn_unused_dummy_argument.
        (gfc_handle_option): Set warn_unused_dummy_argument according to
        command line.
        * trans-decl.c (generate_local_decl): Separate warnings about
        unused variables and unused dummy arguments.
        * invoke.texi: Documented new option.

gcc/testsuite/:
2010-05-20  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/38407
        * warn_unused_dummy_argument_1.f90: New.
        * warn_unused_dummy_argument_2.f90: New.

From-SVN: r159641