[Bug libstdc++/55713] std::tuple incorrectly is convertible to "ElementType" when it is an empty class

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55713

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|unassigned at gcc dot gnu.org      |redi at gcc dot gnu.org
             Status|NEW                         |ASSIGNED
   Last reconfirmed|2012-12-16 00:00:00         |2020-3-19
   Target Milestone|---                         |11.0