1const S = struct {
 2    b: u32,
 3    c: i32,
 4    a: struct {
 5        pub fn str(_: @This(), extra: []u32) []i32 {
 6            return @bitCast(extra);
 7        }
 8    },
 9};
10
11pub export fn entry() void {
12    var s: S = undefined;
13    _ = s.a.str(undefined);
14}
15
16const S2 = struct {
17    a: [*c]anyopaque,
18};
19
20pub export fn entry2() void {
21    var s: S2 = undefined;
22    _ = &s;
23}
24
25// error
26// backend=selfhosted,llvm
27//
28// :6:20: error: cannot @bitCast to '[]i32'
29// :6:20: note: use @ptrCast to cast from '[]u32'
30// :17:12: error: indexable pointer to opaque type 'anyopaque' not allowed