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From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/104883] <system_error> should define all std::errc
 enumerators
Date: Wed, 01 Feb 2023 21:23:23 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104883

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Jonathan Wakely from comment #0)
> Which causes errors when we rely on that being present, e.g. for AVR:
>=20
> /home/jwakely/src/gcc/build-avr/avr/libstdc++-v3/include/charconv: In
> function =E2=80=98std::to_chars_result std::__detail::__to_chars(char*, c=
har*, _Tp,
> int)=E2=80=99:
> /home/jwakely/src/gcc/build-avr/avr/libstdc++-v3/include/charconv:132:28:
> error: =E2=80=98value_too_large=E2=80=99 is not a member of =E2=80=98std:=
:errc=E2=80=99; did you mean
> =E2=80=98file_too_large=E2=80=99?
>   132 |           __res.ec =3D errc::value_too_large;
>       |                            ^~~~~~~~~~~~~~~
>       |                            file_too_large

This specific problem is now fixed for avr, but the general problem remains=
.=