[Bug tree-optimization/69399] [5/6 Regression] wrong code with -O and int128

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69399

--- Comment #10 from H.J. Lu <hjl.tools at gmail dot com> ---
A patch is posted at

https://gcc.gnu.org/ml/gcc-patches/2016-01/msg01780.html