[Bug c++/80451] [6/7/8 Regression] return implicit type conversion to std::experimental::optional does not compile

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80451

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|libstdc++                   |c++

--- Comment #11 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Although this isn't a regression in the front-end, we can't easily fix the
libstdc++regression without a front-end fix for the incomplete feature.