1/* { dg-do run } */
2
3template <typename T>
4struct const_ref
5{
6  const T* begin;
7  const_ref(const T* b) : begin(b) {}
8};
9
10template <typename T>
11T sum(const_ref<T> const& a)
12{
13  T result = 0;
14  for(unsigned i=0;i<1;i++) result += a.begin[i];
15  return result;
16}
17
18struct tiny_plain
19{
20  int elems[2];
21  tiny_plain() { elems[0]=1; }
22};
23
24struct vec3 : tiny_plain {};
25
26struct mat3
27{
28  int type() const { return sum(const_ref<int>(vec3().elems)) == 1; }
29};
30
31int main() { return mat3().type() ? 0 : 1; }
32
33