[Bug bootstrap/92540] [10 regression] r278218 breaks bootstrap on riscv64

[sch...@linux-m68k.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92540

--- Comment #2 from Andreas Schwab <sch...@linux-m68k.org> ---
This doesn't resemble the logic in riscv_address_insns in any way.