[Bug tree-optimization/68329] [4.8 4.9]gcc using array index to accelerate loop running , why turn off at gcc 5.X

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68329

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |mpolacek at gcc dot gnu.org
          Component|c                           |tree-optimization

--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Not sure if there's anything wrong but doesn't look a C FE-related stuff.