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24 lines
687 B
Rust
24 lines
687 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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// edition:2018
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#![feature(type_alias_impl_trait)]
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pub trait Bar {
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type E: Send;
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fn foo<T>() -> Self::E;
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}
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impl<S> Bar for S {
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type E = impl std::marker::Send;
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fn foo<T>() -> Self::E {
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async {}
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//~^ ERROR type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias
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//[drop_tracking_mir]~^^ ERROR type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias
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}
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}
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fn main() {}
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