[Bug libstdc++/80940] [7/8 Regression] Private inheritance from std::ostream - compilation error for custom operator <<

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80940

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |rejects-valid
   Last reconfirmed|2017-06-09 00:00:00         |2017-6-15
      Known to work|                            |6.3.0
   Target Milestone|---                         |7.2
            Summary|Private inheritance from    |[7/8 Regression] Private
                   |std::ostream - compilation  |inheritance from
                   |error for custom operator   |std::ostream - compilation
                   |<<                          |error for custom operator
                   |                            |<<
      Known to fail|                            |7.1.0, 8.0