[Bug tree-optimization/83269] [8 Regression] Wrong constant folding

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83269

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 #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 42888
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42888&action=edit
gcc8-pr83269.patch

Untested fix.  As I said, the other option is to just give up in that case,
still dunno what is better.