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From: Jonathan Wakely <jwakely.gcc@gmail.com>
Date: Sat, 19 Nov 2022 15:09:25 +0000
Message-ID: <CAH6eHdQHHCVSTRG6MNmP4VwyQXOoz8-gX7hEncANUO5JP-e82g@mail.gmail.com>
Subject: Re: Bug in <complex> header in trunk from malformed "requires"
 statement, causes compilation errors if included
To: Gavin Ray <ray.gavin97@gmail.com>
Cc: libstdc++@gcc.gnu.org
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On Fri, 18 Nov 2022 at 21:14, Jonathan Wakely wrote:
>
> On Fri, 18 Nov 2022 at 18:59, Gavin Ray via Libstdc++
> <libstdc++@gcc.gnu.org> wrote:
> >
> > Hello all,
> >
> > Hit a very confusing bug this morning. I'm using Clang with GCC
> > upstream libstdc++ from jwakely's repo.
> > The following program fails to compile:
> >
> > #include <complex>
> > int main() { return 0; }
> >
> > It appears there was an initial commit which added "requires" clauses,
> > and then a fixup commit later:
> > - libstdc++: Fix up <complex> for extended floating point types
> > [PR107649] =C2=B7 gcc-mirror/gcc@0e2c551 (github.com)
>
> Yes, that was https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107649 but
> isn't included in my gcc-latest builds yet.
>
> >
> > But there seems to be one last malformed "requires" statement in trunk:
> > https://github.com/gcc-mirror/gcc/blob/59cc4da605e5cb8e31e9f1d54ef2b5ba=
47fc8f88/libstdc%2B%2B-v3/include/std/complex#L2531
>
> Thanks.

That's fixed now, thanks for reporting it.