[Bug tree-optimization/117001] O3 auto tree loop vectorization produces incorrect output on armv8.2-a+sve

[Robert.Hardwick at arm dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117001

--- Comment #6 from Robert Hardwick <Robert.Hardwick at arm dot com> ---
've done some more tests and it seems to affect

12.4.X, 11.4.X, 10.2.X

I can confirm that behaviour is correct in 13.3.0