[Bug libstdc++/119739] [C++26] Implement P0952R2, A new specification for std::generate_canonical

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119739

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
The most recent patch for this is
https://gcc.gnu.org/pipermail/gcc-patches/2025-August/693721.html