summaryrefslogtreecommitdiffstats
path: root/gcc/testsuite/g++.dg/cpp0x/sfinae20.C
blob: 486064c3af7664f36bafb6d9c03e26583ccd3c2f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
// PR c++/48744
// { dg-options "-std=c++0x" }

template<class T>
struct add_rval_ref {
  typedef T&& type;
};

template<>
struct add_rval_ref<void> {
  typedef void type;
};

template<class T>
typename add_rval_ref<T>::type create();

template<class T, class Arg>
decltype(T{create<Arg>()}, char()) f(int);

template<class, class>
char (&f(...))[2];

static_assert(sizeof(f<int, void>(0)) != 1, "Error");
OpenPOWER on IntegriCloud