[Bug target/69049] [avr] strange/unnecessary commands in compiled code

[night_ghost at ykoctpa dot ru]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69049

--- Comment #2 from night_ghost at ykoctpa dot ru ---
1) this is part of Arduino project so it should #include Arduino.h
2) GCC 5.3 don't has this bug so it can be closed