rust/tests/ui/async-await/issue-64130-1-sync.rs
Camille GILLOT 211d2ed07b Bless tests.
2023-09-23 13:47:30 +00:00

25 lines
464 B
Rust

#![feature(negative_impls)]
// edition:2018
// This tests the specialized async-await-specific error when futures don't implement an
// auto trait (which is specifically Sync) due to some type that was captured.
struct Foo;
impl !Sync for Foo {}
fn is_sync<T: Sync>(t: T) { }
async fn bar() {
let x = Foo;
baz().await;
drop(x);
}
async fn baz() { }
fn main() {
is_sync(bar());
//~^ ERROR future cannot be shared between threads safely
}