[Bug target/117116] [15 regression] error: unrecognizable insn: with -march=znver3

[liuhongt at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117116

--- Comment #2 from Hongtao Liu <liuhongt at gcc dot gnu.org> ---
Looks like it just expose an backend bug, I'll take a look.