[Bug target/106532] riscv fails to build enabling ZBA/ZBB/ZBC/ZBS by default for 32bit

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106532

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note with a non-modified sources fails with -O2 -march=rv32imac_zba_zbb_zbc_zbs