[Bug c++/121981] internal compiler error: in hash, at cp/constraint.cc:1999

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121981

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #4)
> Created attachment 62412 [details]
> Slightly more
> 
> __is_convertible here is important I think.

My reduced testcase only need -std=c++20.