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
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
// { dg-do run }
// { dg-options "-std=gnu++0x" }
// PR c++/33510
#define SIZE_FROM_CTOR
extern "C" void abort ();
template<int M, int N> struct pair
{
int i, j;
pair () : i (M), j (N) {}
};
template<int... M> struct S
{
template<int... N> static int *foo ()
{
#ifdef SIZE_FROM_CTOR
static int x[] = { (M + N)..., -1 };
#else
static int x[1 + sizeof... N] = { (M + N)..., -1 };
#endif
return x;
}
};
template<typename... M> struct R
{
template<typename... N> static int *foo ()
{
#ifdef SIZE_FROM_CTOR
static int x[] = { (sizeof(M) + sizeof(N))..., -1 };
#else
static int x[1 + sizeof... N] = { (sizeof(M) + sizeof(N))..., -1 };
#endif
return x;
}
};
int *bar ()
{
return S<0, 1, 2>::foo<0, 1, 2> ();
}
int *baz ()
{
return R<char, short, int>::foo<float, double, long> ();
}
int main ()
{
int *p = bar ();
if (p[0] != 0 || p[1] != 2 || p[2] != 4 || p[3] != -1)
abort ();
}
|
