[Bug tree-optimization/110389] [12/13/14 Regression] wrong code at -Os and -O2 with "-fno-tree-ch -fno-expensive-optimizations -fno-ivopts -fno-tree-loop-ivcanon" on x86_64-linux-gnu

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110389

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Target Milestone|---                         |12.4
     Ever confirmed|0                           |1
            Summary|wrong code at -Os and -O2   |[12/13/14 Regression] wrong
                   |with "-fno-tree-ch          |code at -Os and -O2 with
                   |-fno-expensive-optimization |"-fno-tree-ch
                   |s -fno-ivopts               |-fno-expensive-optimization
                   |-fno-tree-loop-ivcanon" on  |s -fno-ivopts
                   |x86_64-linux-gnu            |-fno-tree-loop-ivcanon" on
                   |                            |x86_64-linux-gnu
   Last reconfirmed|                            |2023-06-24

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Something goes really wrong in DOM3.

  _7 = e.5_26 + 1;
  if (_7 <= 2)
    goto <bb 3>; [89.57%]
  else
    goto <bb 8>; [10.43%]

is optimized to always true.