[Bug c++/53186] [C++11] missing devirtualization for operators "final"

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53186

Paolo Carlini <paolo.carlini at oracle dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2012-05-03
         AssignedTo|unassigned at gcc dot       |paolo.carlini at oracle dot
                   |gnu.org                     |com
   Target Milestone|---                         |4.8.0
     Ever Confirmed|0                           |1

--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-05-03 00:50:41 UTC ---
Confirmed.

It looks like we do not devirtualize all sorts of operators (conversions,
arithmetic, logic...) but the recipe is essentially the same.

I'm going to attach a draft patch which you may want to start testing (passes
the testsuite).