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// { dg-do compile }
// { dg-options "-std=gnu++0x" }
template<typename T, typename U>
struct is_same
{
static const bool value = false;
};
template<typename T>
struct is_same<T, T>
{
static const bool value = true;
};
const int& foo();
int i;
struct A { double x; };
const A* a = new A();
static_assert(is_same<decltype(foo()), const int&>::value,
"type should be const int&");
static_assert(is_same<decltype(i), int>::value,
"type should be int");
static_assert(is_same<decltype(a->x), double>::value,
"type should be double");
static_assert(is_same<decltype((a->x)), const double&>::value,
"type should be const double&");
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