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From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug libstdc++/106376] [LWG3545] The implementation of
 std::pointer_traits seems wrong
Date: Thu, 21 Jul 2022 09:06:04 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106376

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |SUSPENDED
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2022-07-21
            Summary|The implementation of       |[LWG3545] The
                   |std::pointer_traits seems   |implementation of
                   |wrong                       |std::pointer_traits seems
                   |                            |wrong

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to =E5=BA=B7=E6=A1=93=E7=91=8B from comment #0)
> libstdc++ specifies element_type as a meaningless type, so the static_ass=
ert
> still   passes.
>=20
> Although the behavior of libstdc++ is incorrect, but I am not feel good
> about this static_assert hard error..

Right, it's completely unusable, see PR 96416.

Libstdc++ already implements my proposed solution, the standard just hasn't
caught up yet ;-)

Suspending until 3545 is resolved, but I expect to close this at some future
date, as there's nothing for libstdc++ to do here.=