[Bug tree-optimization/80558] VRP not handling x & -2 well

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80558

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |jakub at gcc dot gnu.org

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 41305
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41305&action=edit
gcc8-pr80558.patch

Untested fix.