[Bug tree-optimization/85757] tree optimizers fail to fully clean up fixed-size memcpy

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85757

Marc Glisse <glisse at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2018-05-12
            Version|unknown                     |9.0
     Ever confirmed|0                           |1

--- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> ---
Yes, DSE is known to be pretty bad at handling branches, there may be a dup
somewhere.