// PR middle-end/34018// { dg-do compile }// { dg-options "-O1" }template <typename E, unsigned long N>struct A{  typedef E F;  E elems[N];  A () {}  E *begin () { return elems; }  const E *begin () const { return elems; }  explicit A (F const &v0, F const &v1, F const &v2)  {    elems[0] = v0;    elems[1] = v1;    elems[2] = v2;  }};template <typename E1, typename E2, typename E3>inline voidbar (const E1 *a1, E2 const &a2, E3 *a3, unsigned long const &sz){  E3 *r = a3 + sz;  for (;a3 != r; a1++, a3++)    *a3 = *a1 - a2;}template<typename E, unsigned long N>inline A<E, N>operator- (A<E, N> const& a1, E const& a2){  typedef A<E, N> G;  G a3;  bar (a1.begin (), a2, a3.begin (), N);  return a3;}struct B{  B (A<unsigned long, 3> const &m) : n (m - static_cast<unsigned long>(1)) {}  A<unsigned long, 3> n;};voidfoo (){  B t (A<unsigned long, 3> (0,0,0));}