mirror of
https://github.com/rust-lang/rust.git
synced 2024-10-31 22:41:50 +00:00
30 lines
698 B
Rust
30 lines
698 B
Rust
// revisions: no_drop_tracking drop_tracking drop_tracking_mir
|
|
// [drop_tracking] compile-flags: -Zdrop-tracking
|
|
// [drop_tracking_mir] compile-flags: -Zdrop-tracking-mir
|
|
#![feature(auto_traits)]
|
|
#![feature(negative_impls)]
|
|
// edition:2018
|
|
|
|
// This tests the unspecialized async-await-specific error when futures don't implement an
|
|
// auto trait (which is not Send or Sync) due to some type that was captured.
|
|
|
|
auto trait Qux {}
|
|
|
|
struct Foo;
|
|
|
|
impl !Qux for Foo {}
|
|
|
|
fn is_qux<T: Qux>(t: T) {}
|
|
|
|
async fn bar() {
|
|
let x = Box::new(Foo);
|
|
baz().await;
|
|
}
|
|
|
|
async fn baz() {}
|
|
|
|
fn main() {
|
|
is_qux(bar());
|
|
//~^ ERROR the trait bound `Foo: Qux` is not satisfied in `impl Future<Output = ()>`
|
|
}
|