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template <class T>
struct Table
{
    T getCell()
    {
        T c;
        c.setTable(this);
    }
};
 
struct MyTable;
 
struct Cell
{
    void setTable(MyTable *tbl)
    {
 
    }
};
 
struct MyTable : public Table<Cell>
{
 
};
 
int main(int argc, char *argv[])
{
 
    MyTable t;
    t.getCell();
}

prog.cpp: In instantiation of ‘T Table<T>::getCell() [with T = Cell]’:
prog.cpp:30:15:   required from here
prog.cpp:7:9: error: invalid conversion from ‘Table<Cell>* const’ to ‘MyTable*’ [-fpermissive]
prog.cpp:15:10: error:   initializing argument 1 of ‘void Cell::setTable(MyTable*)’ [-fpermissive]
prog.cpp:8:5: warning: no return statement in function returning non-void [-Wreturn-type]

Standard output is empty