[Bug target/115789] gcc miscompile itself with CFLAGS -O3 -march=rv64gcv_zvl256b

[law at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115789

--- Comment #12 from Jeffrey A. Law <law at gcc dot gnu.org> ---
My suggestion is to wait for the LLVM release, then backport whatever we need
to be compatible with LLVM.