[Bug target/57112] -march=x86-64 not documented

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57112

Marc Glisse <glisse at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
      Known to work|                            |8.2.0
         Resolution|---                         |FIXED

--- Comment #4 from Marc Glisse <glisse at gcc dot gnu.org> ---
r258953 | marxin | 2018-03-29 15:02:23 +0200 (Thu, 29 Mar 2018) | 9 lines

Documentation tweaks.

2018-03-29  Martin Liska  <mliska@suse.cz>

        PR lto/84995.
        * doc/invoke.texi: Document how LTO works with debug info.
        Describe auto-load support of binutils.  Mention 'x86-64'
        as valid option value of -march option.