[Bug c++/97059] C++20: compound requirement uses inconsistent return type (adds ref)

[dimitri.gorokhovik at free dot fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97059

--- Comment #2 from Dimitri Gorokhovik <dimitri.gorokhovik at free dot fr> ---
(In reply to Dimitri Gorokhovik from comment #1)
> I was able to reduce same code (attached file bug-6.cpp).

Please disregard the comment #1 -- posted to wrong bug.