[Bug target/85805] Improper code generation for 64 bit comparisons on avr-gcc

[sandor.zsuga at jubatian dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85805

--- Comment #4 from Sandor Zsuga <sandor.zsuga at jubatian dot com> ---
I tried it with the package offered by Microchip, which has avr-gcc 5.4.0, the
behavior is the same, bug is present.