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From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug libstdc++/96416] address_of() is broken by static_assert in
 pointer_traits
Date: Wed, 11 Nov 2020 20:40:22 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96416

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Thanks, Glen. So it seems I was right the first time, and using std::to_add=
ress
does require a type that can be used with std::pointer_traits.

Not a bug then. Sorry, Zach!=