[Bug libstdc++/120622] Compilation error ( no match for operator==) since libstdc++ commit r15-4475-g7ed561f63e7955

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120622

--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Actually that looks like it's fixing a similar but different issue.