[Bug c/46636] attribute aligned is documented as using bytes, uses addressable units instead.

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46636

--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-11-24 
12:08:54 UTC ---
Well, on these targets "bytes" really are larger I suppose (for example
each character in a C string constant consumes BITS_PER_UNIT).