cpplib.c (start_directive, [...]): New functions.

cpplib.c (start_directive, [...]): New functions.

        * cpplib.c (start_directive, end_directive): New functions.
        (_cpp_handle_directive, run_directive): Use them.
        (_cpp_handle_directive): Don't -Wtraditional on indented
        null directives.
        (_cpp_push_buffer): Don't re-clear was_skipping.
        * cpplib.h (struct cpp_reader): New member la_saved.
        * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
        directives.

From-SVN: r37487