2018-01-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR diagnostic/84034
        * diagnostic-show-locus.c (get_line_width_without_trailing_whitespace):
        Handle CR like TAB.
        (layout::print_source_line): Likewise.
        (test_get_line_width_without_trailing_whitespace): Add test cases.

From-SVN: r257120