[Bug libstdc++/88322] Implement C++20 library features.

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88322
Bug 88322 depends on bug 104166, which changed state.

Bug 104166 Summary: Implement C++20 std::format
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104166

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED