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From: "nshead at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/106851] [modules] Name conflict for exported
 using-declaration
Date: Wed, 06 Mar 2024 23:59:08 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106851

--- Comment #5 from Nathaniel Shead <nshead at gcc dot gnu.org> ---
(In reply to Jonathan Wakely from comment #4)
> I tried doing it this way instead
>=20
> namespace std {
>   export using std::vector;
>   namespace pmr {
>     export using std::vector;
>   }
> }
>=20
> but that didn't work, nothing got exported. But maybe that will be fixed =
by
> Nathaniel's https://gcc.gnu.org/pipermail/gcc-patches/2024-March/647088.h=
tml

Yup, looks to be this issue. This is merged into trunk now and with a quick
test appears to work: https://godbolt.org/z/T5zPfPGro=