[Bug target/53033] [avr]: Wrong register number for 3-byte loads via X

[gjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53033

--- Comment #2 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2012-04-18 
20:07:43 UTC ---
Until the issue is fixed you can use the command option -mstrict-X as a
work-around.