[Bug tree-optimization/59303] [4.9 Regression] uninit-pred-8_b.c and uninit-pred-9_b.c fail after better optimizations

[xinliangli at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59303

--- Comment #6 from davidxl <xinliangli at gmail dot com> ---
I am working on a solution (and some cleanups).

David