```
error: out of bounds pointer access
                @memset(@ptrCast([*]u8, &item), 0, @sizeOf(T));
                                                   ^
./test.zig:7:38: note: called from here
    var x: [*:comptime std.mem.zeroes(A)]const A = undefined;
                                     ^
./test.zig:6:29: note: called from here
pub fn main() anyerror!void {
                            ^
/lib/zig/std/mem.zig:306:17: note: referenced here
                @memset(@ptrCast([*]u8, &item), 0, @sizeOf(T));
                ^
./test.zig:7:38: note: referenced here
    var x: [*:comptime std.mem.zeroes(A)]const A = undefined;
```