[Bug tree-optimization/56688] Fortran save statement prevents loop vectorization.

[ysrumyan at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56688

--- Comment #7 from Yuri Rumyantsev <ysrumyan at gmail dot com> ---
I checked that GCC 7 compiler still does not vectorize loops in thin6d function
which is the only hottest function in 200.sixtrack benchmark.