[Bug target/64784] -march=native should be supported

[ktkachov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64784

ktkachov at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
      Known to work|                            |6.0
               Host|                            |aarch64
         Resolution|---                         |FIXED
   Target Milestone|---                         |6.0
           Severity|normal                      |enhancement

--- Comment #2 from ktkachov at gcc dot gnu.org ---
Implemented for GCC 6.