[Bug middle-end/124637] powerpc64: invalid code while passing a struct via register

[gcc at breakpoint dot cc]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124637

--- Comment #3 from Sebastian Andrzej Siewior <gcc at breakpoint dot cc> ---
(In reply to Andrew Pinski from comment #2)
> My bet there is bug dealing with bigendian somewhere.
> Might not be ppc specific either.

It works on s390x