[Bug middle-end/103648] Missed optimization on arm64 when returning an empty struct.

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103648

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note -fdisable-rtl-init-regs fixes this one which is why it is a dup of bug
98884.