// { dg-do assemble  }template<int N1, int N2>struct meta_max {    enum { max = (N1 > N2) ? N1 : N2 };};struct X {    enum {       a = 0,       n = 0    };};template<class T1, class T2>struct Y {    enum {       a = T1::a + T2::a,       // NB: if the next line is changed to       // n = (T1::n > T2::n) ? T1::n : T2::n       // the problem goes away.       n = meta_max<T1::n,T2::n>::max    };};int z = Y<X,X>::a;