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// PR c++/49229
// { dg-options -std=c++0x }
extern void* enabler;
template<bool, class = void>
struct enable_if {};
template<class T>
struct enable_if<true, T> {
typedef T type;
};
template<class... Bn>
struct and_;
template<class B1>
struct and_<B1> : B1 {};
template<class, class>
struct is_same {
static constexpr bool value = false;
};
template<class T>
struct is_same<T, T> {
static constexpr bool value = true;
};
template<class... T>
struct S {
template<class... U,
typename enable_if<and_<is_same<T, U>...>::value>::type*& = enabler
>
S(U...){} // #
};
S<bool> s(0); // { dg-error "no match" }
// { dg-prune-output "note" }
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