[Bug tree-optimization/67530] Failure to eliminate dead code produced by vector lowering

[wschmidt at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67530

--- Comment #3 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
No, the same code is produced for at least GCC 5.  I just happened to notice it
on trunk while looking at another problem.

I hope to get time to look at this one in the next couple of weeks if nobody
else has done so.