[Bug tree-optimization/59124] [4.9/5/6 Regression] Wrong warnings "array subscript is above array bounds"

[ppalka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59124

--- Comment #36 from Patrick Palka <ppalka at gcc dot gnu.org> ---
Patch posted at https://gcc.gnu.org/ml/gcc-patches/2016-03/msg01439.html