[Bug c++/110836] [C++20] g++ should report when there is no way to create structure or class

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110836

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |diagnostic
            Summary|g++ should report when      |[C++20] g++ should report
                   |there is no way to create   |when there is no way to
                   |structure or class          |create structure or class

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Actually, in C++11-C++17 you can create it like:
```
struct Foo
{
    Foo(const Foo&) = delete;
};

Foo a{};
```

Only in C++20+ there is no way to create it.