[Bug tree-optimization/59354] [4.8/4.9/5/Regression] Element swizzling produces invalid result with -O3 (tree-cunrolli pass problem?)

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59354

--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to H.J. Lu from comment #4)
> It is caused by r147829 (the new SLP pass).

It may just expose the latent bug.