[Bug tree-optimization/98949] gcc-9.3 aarch64 -ftree-vectorize generates wrong code

[cyb70289 at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98949

--- Comment #2 from Yibo Cai <cyb70289 at gmail dot com> ---
Thanks for quick response.

Ubuntu 20.04 installs gcc-9.3. It suffers from this bug. Looks no good.

$ g++ --version
g++ (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0