[Bug middle-end/34010] [4.9 Regression] ppc64 bad stdargs codegen for zero sized objects

[mrs at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=34010

--- Comment #16 from mrs at gcc dot gnu.org <mrs at gcc dot gnu.org> ---
I checked https://gcc.gnu.org/ml/gcc-testresults/2015-04/msg01438.html and the
failure is gone.