[Bug rtl-optimization/126426] [15/16 Regression] riscv rvv: Incorrect result with -march=rva23u64 -O2 in libgav1

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126426

--- Comment #12 from Jeffrey A. Law <law at gcc dot gnu.org> ---
*** Bug 126720 has been marked as a duplicate of this bug. ***