[Bug c/60220] Vectorization : simple loop : fails to vectorize

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60220

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
In GCC 4.9 (maybe even in 4.8), the loop is converted into memset by the time
the vectorizer gets around to the code.