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From: "johnilacqua at hotmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/96592] Tuple element w/ member reference to incomplete
 template type rejected
Date: Fri, 14 Aug 2020 00:19:38 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96592

John <johnilacqua at hotmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |johnilacqua at hotmail dot=
 com

--- Comment #1 from John <johnilacqua at hotmail dot com> ---
I was about to create a bug report for what appears to be the same issue.
Here's another simple reproducer:

#include <tuple>

template <typename T>
class DependsOnT
{
public:
    DependsOnT(T&) {}
};

class Test
{
public:
    Test() : test_{*this} {}

private:
    std::tuple<DependsOnT<Test>> test_;
};

It seems to depend entirely on the reference in the constructor of DependsO=
nT -
if I change that to a pointer it compiles without error.=