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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/108414] template meta programming
Date: Mon, 16 Jan 2023 06:40:06 +0000
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X-Bugzilla-Keywords: c++-lambda, rejects-valid
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108414

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |c++-lambda, rejects-valid

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
> using nth_element_t =3D typename decltype([]<typename T>(const indexed<I,=
 T>&){return std::type_identity<T>{};}(make_indexer<Ts...>()))::type;

There are some known issue with lambda inside a decltype which seems like m=
ight
be causing issues here ...=