[Bug c/86833] missing warning for out-of-bounds array access without optimization

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86833

Martin Sebor <msebor at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2019-02-11
                 CC|                            |msebor at gcc dot gnu.org
            Summary|missing warning for         |missing warning for
                   |out-of-bounds array access  |out-of-bounds array access
                   |                            |without optimization
     Ever confirmed|0                           |1

--- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> ---
It should be possible to detect the basic cases like the one in the test case
involving constant indices even without optimization.  Anything more
complicated needs optimization.