[Bug c/45286] kact.sa_restorer = &restore_rt; in sigaction.c glibc get miss compile with -fPIE on x86_64

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45286

--- Comment #22 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Magnus Granberg from comment #21)
> Do this happen on gcc 6.0 with --enable-default-pie and trunk glibc

I built glibc master using gcc 6.0 with --enable-default-pie and
there are no problems on x86-64.