[Bug c++/110338] Implement C++26 language features

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110338
Bug 110338 depends on bug 120775, which changed state.

Bug 120775 Summary: [C++26] P2996R13 - Reflection
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120775

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