[Bug c++/71207] [5/6/7 Regression] gcc 5.3 and 6.1 generates wrong code with -O2

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71207

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2016-05-20
                 CC|                            |hubicka at gcc dot gnu.org,
                   |                            |jakub at gcc dot gnu.org,
                   |                            |jason at gcc dot gnu.org
   Target Milestone|---                         |5.4
            Summary|gcc 5.3 and 6.1 generates   |[5/6/7 Regression] gcc 5.3
                   |wrong code with -O2         |and 6.1 generates wrong
                   |                            |code with -O2
     Ever confirmed|0                           |1
           Severity|critical                    |normal

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Started with r229859, -fno-devirtualize -O2 works.