[Bug c++/116162] GCC rejects explicitly default move ctor with const X&& parameter

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116162

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Albuquerque 2017 doesn't mention it was a DR when voted in, so yes, C++20 or
later I guess.