[Bug c++/95233] Failure to compile regression in GCC 10.1 and 11 trunk with C++ 20

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95233

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Without looking into properly, it's possibly a dup of PR 93983.