[Bug target/69305] [5/6 Regression] wrong code with -O and int128 @ aarch64

[rth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69305

--- Comment #12 from Richard Henderson <rth at gcc dot gnu.org> ---
https://gcc.gnu.org/ml/gcc-patches/2016-01/msg01829.html