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From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/107296] C++20 nested typename: non-template used as
 template, need typename
Date: Tue, 18 Oct 2022 19:01:28 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107296

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mpolacek at gcc dot gnu.org

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
(In reply to Martin Li=C5=A1ka from comment #2)
> Likely started with r10-3735-gcb57504a55015891.

Yes,
error: need =E2=80=98typename=E2=80=99 before =E2=80=98Mixin<B>::Nested::Mi=
xin2=E2=80=99 because
=E2=80=98Mixin<B>::Nested=E2=80=99 is a dependent scope
started with r10-3735-gcb57504a55015891,
error: non-template =E2=80=98Mixin2=E2=80=99 used as template
started with r12-4584-g1c690164668bda.=