blob: f55e1d8c727fe55f83f08a34224dcaa9bf9025db (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
// PR c++/49229
// { dg-do compile { target c++11 } }
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 // { dg-error "no type" }
>
S(U...){}
};
S<bool> s(0); // { dg-error "no match" }
|