[Bug ipa/68981] [4.9/5/6 Regression] g++.dg/ipa/pr60640-4.C FAILs with -ftree-vectorize

[zsojka at seznam dot cz]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68981

--- Comment #3 from Zdenek Sojka <zsojka at seznam dot cz> ---
(In reply to Richard Biener from comment #2)
> I don't see any vectorization happening and on the GCC 5 branch (where I can
> reproduce only) the segfault also happens with -fno-tree-vectorize.  Note
> that -O3 already includes -ftree-vectorize.

-ftree-vectorize was needed for reproducing.
I am not trying to explain why it was so.

> So to me this looks like a dup of PR66616, fixed on the branches as well
> after
> that backport.

Indeed.