[PATCH] libsupc++: Implement comparison algorithms for C++20

[Daniel Krügler]

Am Mi., 13. Nov. 2019 um 17:26 Uhr schrieb Jonathan Wakely <jwakely@redhat.com>:
>
> This is incomplete because std::strong_order doesn't support
> floating-point types.

I'm wondering whether the local __cat lambda expression at the
beginning of __fp_weak_ordering is part of the incomplete code or just
spurious?

- Daniel