[Bug tree-optimization/62031] [4.8/4.9/4.10 Regression] Different results between O2 and O2 -fpredictive-commoning

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62031

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
      Known to work|                            |4.3.4
           Keywords|                            |wrong-code
   Last reconfirmed|                            |2014-08-06
          Component|c                           |tree-optimization
                 CC|                            |rguenth at gcc dot gnu.org
     Ever confirmed|0                           |1
            Summary|Different results between   |[4.8/4.9/4.10 Regression]
                   |O2 and O3 for gcc-4.7.2-5   |Different results between
                   |(Debian 4.7.2-5)            |O2 and O2
                   |                            |-fpredictive-commoning
   Target Milestone|---                         |4.8.4
      Known to fail|                            |4.7.4, 4.9.1

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
-O2 -fpredictive-commoning fails as well (thus culprit found).