[Bug middle-end/108778] Missing optimization with direct register access instead of structure mapping

[klaus.doldinger64 at googlemail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108778

--- Comment #3 from Wilhelm M <klaus.doldinger64 at googlemail dot com> ---
This problem is not reproducible with avr-gcc 4.5.4.

But from avr-gcc 4.6.4. the problem exists.