[Bug tree-optimization/120089] [15/16 regression] GCC miscompiles VK-GL-CTS (on aarch64) with -O3 since r15-7533-g589d79e6268b05

[mcccs at gmx dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120089

--- Comment #23 from mcccs at gmx dot com ---
I dumped all optimization trees before and after the bad commit, the divergence
starts with "vect", where the bad tree output is three times as long.