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// { dg-do compile { target c++11 } }
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;
};
int&& f(const int&) {}
int&& (*fp)(const int&) = f;
int&& (&fr)(const int&) = f;
struct X { int&& f(const int&); };
int&& (X::*mfp)(const int&) = &X::f;
void g(X& xr, X* xp)
{
int i;
static_assert(is_same<decltype(f(i)), int&&>::value, "direct call");
static_assert(is_same<decltype(fp(i)), int&&>::value, "pointer");
static_assert(is_same<decltype((*fp)(i)), int&&>::value,
"dereferenced pointer");
static_assert(is_same<decltype(fr(i)), int&&>::value,
"reference");
static_assert(is_same<decltype(xr.f(i)), int&&>::value,
"member function call");
static_assert(is_same<decltype((xr.*mfp)(i)), int&&>::value,
"member function pointer with .*");
static_assert(is_same<decltype((xp->*mfp)(i)), int&&>::value,
"member function pointer with ->*");
}
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