1 // { dg-do run { target c++11 } }
2
3 // PR c++/33510
4 #define SIZE_FROM_CTOR
5 extern "C" void abort ();
6
7 template<int M, int N> struct pair
8 {
9 int i, j;
pairpair10 pair () : i (M), j (N) {}
11 };
12
13 template<int... M> struct S
14 {
fooS15 template<int... N> static int *foo ()
16 {
17 #ifdef SIZE_FROM_CTOR
18 static int x[] = { (M + N)..., -1 };
19 #else
20 static int x[1 + sizeof... N] = { (M + N)..., -1 };
21 #endif
22 return x;
23 }
24 };
25
26 template<typename... M> struct R
27 {
fooR28 template<typename... N> static int *foo ()
29 {
30 #ifdef SIZE_FROM_CTOR
31 static int x[] = { (sizeof(M) + sizeof(N))..., -1 };
32 #else
33 static int x[1 + sizeof... N] = { (sizeof(M) + sizeof(N))..., -1 };
34 #endif
35 return x;
36 }
37 };
38
bar()39 int *bar ()
40 {
41 return S<0, 1, 2>::foo<0, 1, 2> ();
42 }
43
baz()44 int *baz ()
45 {
46 return R<char, short, int>::foo<float, double, long> ();
47 }
48
49
main()50 int main ()
51 {
52 int *p = bar ();
53 if (p[0] != 0 || p[1] != 2 || p[2] != 4 || p[3] != -1)
54 abort ();
55 }
56