[Bug rtl-optimization/88253] Inlining of function incorrectly deletes volatile register access when using XOR in avr-gcc

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88253
Segher Boessenkool <segher at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|avr                         |avr-*-*
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2018-12-14
                 CC|                            |segher at gcc dot gnu.org
               Host|Macos, Windows              |
           Assignee|unassigned at gcc dot gnu.org      |segher at gcc dot 
gnu.org
     Ever confirmed|0                           |1

--- Comment #3 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Mine.  I have a patch.