[Bug tree-optimization/66261] operations that simplify whether the pointers are the same or not (++p;++q;--p;--q)

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66261

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-12-23
     Ever confirmed|0                           |1

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed.
Of course does this show up in real code, I don't know.  Also if we switch
around the decrements or increments around, GCC Is able to optimize it away.