blob: 03b00ac99ad221fd447eefec7af003d9adf37f63 (
plain)
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
57
58
59
60
61
62
63
64
65
|
// revisions: no_drop_tracking drop_tracking drop_tracking_mir
// [drop_tracking] compile-flags: -Zdrop-tracking
// [drop_tracking_mir] compile-flags: -Zdrop-tracking-mir
// [drop_tracking] build-pass
// [drop_tracking_mir] build-pass
#![feature(generators, negative_impls)]
macro_rules! type_combinations {
(
$( $name:ident => { $( $tt:tt )* } );*
) => { $(
mod $name {
pub mod unsync {
$( $tt )*
impl !Sync for Client {}
}
pub mod unsend {
$( $tt )*
impl !Send for Client {}
}
}
// This is the same bug as issue 57017, but using yield instead of await
{
let g = move || match drop(&$name::unsync::Client::default()) {
_status => yield,
};
assert_send(g);
//[no_drop_tracking]~^ ERROR generator cannot be sent between threads safely
//[no_drop_tracking]~| ERROR generator cannot be sent between threads safely
//[no_drop_tracking]~| ERROR generator cannot be sent between threads safely
}
// This tests that `Client` is properly considered to be dropped after moving it into the
// function.
{
let g = move || match drop($name::unsend::Client::default()) {
_status => yield,
};
assert_send(g);
//[no_drop_tracking]~^ ERROR generator cannot be sent between threads safely
//[no_drop_tracking]~| ERROR generator cannot be sent between threads safely
//[no_drop_tracking]~| ERROR generator cannot be sent between threads safely
}
)* }
}
fn assert_send<T: Send>(_thing: T) {}
fn main() {
type_combinations!(
copy => { #[derive(Copy, Clone, Default)] pub struct Client; };
derived_drop => { #[derive(Default)] pub struct Client { pub nickname: String } };
significant_drop => {
#[derive(Default)]
pub struct Client;
impl Drop for Client {
fn drop(&mut self) {}
}
}
);
}
|
