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Update issue-64130-4-async-move.rs

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This commit is contained in:
Eric Holk 2022-09-13 14:30:54 -07:00
parent 9bcc107ffe
commit 777db102df
3 changed files with 36 additions and 6 deletions
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6
src/test/ui/async-await/issue-64130-4-async-move.stderr → src/test/ui/async-await/issue-64130-4-async-move.drop-tracking.stderr
View file

@ -1,12 +1,12 @@
error: future cannot be sent between threads safely
--> $DIR/issue-64130-4-async-move.rs:15:17
--> $DIR/issue-64130-4-async-move.rs:19:17
|
LL | pub fn foo() -> impl Future + Send {
| ^^^^^^^^^^^^^^^^^^ future created by async block is not `Send`
|
= help: the trait `Sync` is not implemented for `(dyn Any + Send + 'static)`
note: future is not `Send` as this value is used across an await
--> $DIR/issue-64130-4-async-move.rs:21:31
--> $DIR/issue-64130-4-async-move.rs:25:31
|
LL | match client.status() {
| ------ has type `&Client` which is not `Send`
@ -17,7 +17,7 @@ LL | let _x = get().await;
LL | }
| - `client` is later dropped here
help: consider moving this into a `let` binding to create a shorter lived borrow
--> $DIR/issue-64130-4-async-move.rs:19:15
--> $DIR/issue-64130-4-async-move.rs:23:15
|
LL | match client.status() {
| ^^^^^^^^^^^^^^^

26
src/test/ui/async-await/issue-64130-4-async-move.no_drop_tracking.stderr Normal file
View file

@ -0,0 +1,26 @@
error: future cannot be sent between threads safely
--> $DIR/issue-64130-4-async-move.rs:19:17
|
LL | pub fn foo() -> impl Future + Send {
| ^^^^^^^^^^^^^^^^^^ future created by async block is not `Send`
|
= help: the trait `Sync` is not implemented for `(dyn Any + Send + 'static)`
note: future is not `Send` as this value is used across an await
--> $DIR/issue-64130-4-async-move.rs:25:31
|
LL | match client.status() {
| ------ has type `&Client` which is not `Send`
LL | 200 => {
LL | let _x = get().await;
| ^^^^^^ await occurs here, with `client` maybe used later
...
LL | }
| - `client` is later dropped here
help: consider moving this into a `let` binding to create a shorter lived borrow
--> $DIR/issue-64130-4-async-move.rs:23:15
|
LL | match client.status() {
| ^^^^^^^^^^^^^^^
error: aborting due to previous error

10
src/test/ui/async-await/issue-64130-4-async-move.rs
View file

@ -1,4 +1,8 @@
// edition:2018
// revisions: no_drop_tracking drop_tracking
// [drop_tracking] check-pass
// [drop_tracking] compile-flags: -Zdrop-tracking=yes
// [no_drop_tracking] compile-flags: -Zdrop-tracking=no
use std::any::Any;
use std::future::Future;
@ -10,16 +14,16 @@ impl Client {
}
}
async fn get() { }
async fn get() {}
pub fn foo() -> impl Future + Send {
//~^ ERROR future cannot be sent between threads safely
//[no_drop_tracking]~^ ERROR future cannot be sent between threads safely
let client = Client(Box::new(true));
async move {
match client.status() {
200 => {
let _x = get().await;
},
}
_ => (),
}
}