* cppinit.c (OPT_g): Remove.
        (cpp_handle_option): Update for removed -g3.
        (print_help): Update.
        * cpplib.h (struct cpp_options): Remove debug_output.
        * cppmain.c (setup_callbacks, cb_define): Update.
        * gcc.c (cpp_options): Translate -g3 to -dD.

From-SVN: r38881