[Bug target/84211] [avr] Perform a post-reload register optimization pass

[gjl at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84211

Georg-Johann Lay <gjl at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |missed-optimization
             Target|                            |avr
           Priority|P3                          |P5
            Version|7.0                         |8.0