[Bug c++/106613] GCC rejects valid program involving std::invariant saying incomplete type

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106613

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

           What    |Removed                     |Added
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           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=102199

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Also see PR 102199.

Also see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88165#c10 (which
references when the inner class type is complete).

This is one of the dark corners of C++ which have issues with many things.