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From: "Seija K." <doremylover123@gmail.com>
Date: Sun, 13 Jun 2021 17:59:19 -0400
Message-ID: <CAA42iKxqg4X-Vj98q60WE+ONwk+mmAw9EnHXcqu3KAKQ+72gZw@mail.gmail.com>
Subject: Re: [PATCH] PR libstdc++/98842: Fixed Constraints on
 operator<=>(optional, U)
To: Jonathan Wakely <jwakely.gcc@gmail.com>
Cc: Jonathan Wakely <jwakely@redhat.com>,
 "gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>, 
 "libstdc++@gcc.gnu.org" <libstdc++@gcc.gnu.org>
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Awesome, thanks!

On Mon, Jun 7, 2021 at 11:30 AM Jonathan Wakely <jwakely.gcc@gmail.com>
wrote:

> On Fri, 4 Jun 2021 at 21:41, Jonathan Wakely wrote:
> >
> > On Thu, 3 Jun 2021 at 17:27, Seija K. via Libstdc++ <
> libstdc++@gcc.gnu.org>
> > wrote:
> >
> > > The original operator was underconstrained. _Up needs to fulfill
> > > compare_three_way_result,
> > > as mentioned in this bug report
> > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98842
> > >
> >
> > Thanks, I'll get the patch applied next week.
>
> The patch causes testsuite failures.
>
> I fixed it with the attached change instead, including a workaround
> for an apparent C++20 defect.
>
> Pushed to trunk so far.
>