mirror of
https://github.com/rust-lang/rust
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27 lines
630 B
Rust
27 lines
630 B
Rust
// revisions: no_drop_tracking drop_tracking drop_tracking_mir
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// [drop_tracking] compile-flags: -Zdrop-tracking
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// [drop_tracking_mir] compile-flags: -Zdrop-tracking-mir
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#![feature(negative_impls)]
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// edition:2018
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// This tests the specialized async-await-specific error when futures don't implement an
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// auto trait (which is specifically Send) due to some type that was captured.
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struct Foo;
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impl !Send for Foo {}
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fn is_send<T: Send>(t: T) { }
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async fn bar() {
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let x = Box::new(Foo);
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baz().await;
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}
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async fn baz() { }
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fn main() {
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is_send(bar());
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//~^ ERROR future cannot be sent between threads safely
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}
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