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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++/95789] [10/11 Regression] Const method is allowed to return
 non-const reference on template class
Date: Mon, 13 Jul 2020 17:36:07 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95789

--- Comment #7 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
// PR c++/96179

template<typename T> struct vector
{
  void push_back(T) { }
};

struct dummy{
        int a;
};

void Modify_Dummy(dummy &d){
        d.a=3D1;
}

template <bool bla=3Dtrue> void Templated_Function(){
        vector<dummy> A;
        A.push_back(Modify_Dummy(dummy{0}));
}

int main(){
        Templated_Function();
}=