[Bug c++/100322] Switching from std=c++17 to std=c++20 causes performance regression in relationals

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100322

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Maybe related to either PR 94006 or PR 94566