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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++/110572] ld.lld: error: duplicate symbol:
 std::type_info::operator==(std::type_info const&) const
Date: Thu, 06 Jul 2023 11:34:57 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110572

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
I would argue that the root cause is that Clang does not conform to the
platform ABI for mingw-w64, which requires __GXX_TYPEINFO_EQUALITY_INLINE=
=3D0 to
be defined.=