[Bug middle-end/127921] Signed large _BitInt rotate is lowered with an arithmetic right shift

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127921

--- Comment #1 from Drea Pinski <pinskia at gcc dot gnu.org> ---
I think __ROTATE_LEFT  is undefined on any large BitInt.