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// { dg-do compile } class A { }; template <class type> struct D:A { type & operator[](int); }; struct B { typedef D <int *>Row; struct C { Row *row; }; }; B::C a; B::Row & b = *a.row; void fn1 () { while (1) b[0] = b[0] ? (int *) -1 : 0; }