gfortran.h (gfc_option_t): Remove warn_tabs.

gfortran.h (gfc_option_t): Remove warn_tabs.

2014-11-23  Tobias Burnus  <burnus@net-b.de>
        Manuel López-Ibáñez  <manu@gcc.gnu.org>

gcc/fortran/
        * gfortran.h (gfc_option_t): Remove warn_tabs.
        * lang.opt (Wpedantic): Add.
        (Wtabs): Use Var and LangEnabledBy.
        * options.c (gfc_init_options, gfc_post_options,
        set_Wall): Remove -Wtabs handling.
        (gfc_handle_option): Update -std=, remove OPT_Wtabs.
        * scanner.c (gfc_gobble_whitespace): Update for
        flag-variable renaming.
        (load_line): Ditto. Pass warn flag to diagnostic.

gcc/testsuite/
        * gfortran.dg/tab_continuation.f: Update dg-*.

Co-Authored-By: Manuel López-Ibáñez <manu@gcc.gnu.org>
From-SVN: r217985