[Bug tree-optimization/88569] Track relations between variable values

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88569

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |missed-optimization
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2018-12-21
                 CC|                            |rguenth at gcc dot gnu.org
          Component|middle-end                  |tree-optimization
     Ever confirmed|0                           |1

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
It nearly does it but somehow thinks the loops may iterate once (thus the body
may execute twice).