[Bug tree-optimization/111542] [11/12/13/14 Regression] (a==0)&(b==0) into `(a|b) == 0` optimization sometimes gets in the way of other optimizations

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111542

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |14.0
            Summary|[11/12/13/14 Regression]    |[11/12/13/14 Regression]
                   |                            |(a==0)&(b==0) into `(a|b)
                   |                            |== 0` optimization
                   |                            |sometimes gets in the way
                   |                            |of other optimizations
      Known to fail|                            |7.1.0
      Known to work|                            |6.1.0