[Bug tree-optimization/78601] [7 regression] test case gcc.dg/uninit-pred-6_a.c and gcc.dg/uninit-pred-7_c.c fail starting with r242639

[aldyh at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78601

--- Comment #1 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
Without verifying, this looks like a duplicate of pr78566.

Can you try with the latest trunk plus the patch I've posted here:

https://gcc.gnu.org/ml/gcc-patches/2016-11/msg02900.html