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