[Bug libstdc++/85843] warning: base class ‘class std::exception’ should be explicitly initialized in the copy constructor [-Wextra]

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85843

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |build
          Component|bootstrap                   |libstdc++
            Summary|Invalid C++ in libstd++     |warning: base class ‘class
                   |                            |std::exception’ should be
                   |                            |explicitly initialized in
                   |                            |the copy constructor
                   |                            |[-Wextra]

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
i.e. there's no invalid C++ at all, you're just asking for all warnings to
break your build.