[Bug target/122448] [15/16 Regression] Wrong rvv code with -O3

[rdapp at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122448

--- Comment #6 from Robin Dapp <rdapp at gcc dot gnu.org> ---
With --param=vsetvl-strategy=simple we return "0".  Pretty dead giveaway.