[Bug middle-end/60121] gcc does not warn an obvious out-of-bound array access at -O0 and -O1

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60121

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|c                           |middle-end

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I think this is expected. out of bounds warnings come not from the front-end
but the middle-end and are designed not to warn about in dead code.  This code
is dead as a != 0 is always false.