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//@ check-pass
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#![allow(opaque_hidden_inferred_bound)]
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#![allow(dead_code)]
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trait Duh {}
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impl Duh for i32 {}
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trait Trait {
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type Assoc: Duh;
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}
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impl<R: Duh, F: FnMut() -> R> Trait for F {
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type Assoc = R;
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}
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fn foo() -> impl Trait<Assoc = impl Send> {
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|| 42
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}
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fn main() {}
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