https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80158

--- Comment #4 from rguenther at suse dot de <rguenther at suse dot de> ---
On Thu, 23 Mar 2017, wschmidt at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80158
> 
> --- Comment #3 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
> Richard, what flags are you using with the reduced test case?  Hoping I can
> reproduce this on ppc64le without a cross, but so far no luck.

-Ofast -m32 -march=bdver2

looks like vectorization is needed to trigger it

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