|
111
|
1 // PR c++/54922
|
|
|
2 // { dg-do compile { target c++11 } }
|
|
|
3 // { dg-options "-pedantic" }
|
|
|
4
|
|
|
5 #define SA(X) static_assert(X,#X)
|
|
|
6
|
|
|
7 struct A
|
|
|
8 {
|
|
|
9 union {
|
|
|
10 union {
|
|
|
11 union {
|
|
|
12 unsigned char i;
|
|
|
13 int j;
|
|
|
14 };
|
|
|
15 };
|
|
|
16 };
|
|
|
17
|
|
|
18 constexpr A() : i(42) {}
|
|
|
19 };
|
|
|
20
|
|
|
21 constexpr A a;
|
|
|
22 SA((a.i == 42));
|
|
|
23
|
|
|
24 struct B
|
|
|
25 {
|
|
|
26 struct {
|
|
|
27 int h;
|
|
|
28 struct {
|
|
|
29 union {
|
|
|
30 unsigned char i;
|
|
|
31 int j;
|
|
|
32 };
|
|
|
33 int k;
|
|
|
34 }; // { dg-warning "anonymous struct" }
|
|
|
35 }; // { dg-warning "anonymous struct" }
|
|
|
36 int l;
|
|
|
37
|
|
|
38 constexpr B(): h(1), i(2), k(3), l(4) {}
|
|
|
39 };
|
|
|
40
|
|
|
41 constexpr B b;
|
|
|
42 SA((b.h == 1 && b.i == 2 && b.k == 3 && b.l == 4));
|
