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Add test for issue #78561 #90115

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Oct 22, 2021
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Add test for issue #78561 #90115

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23 changes: 23 additions & 0 deletions src/test/ui/nll/issue-78561.rs
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Original file line number Diff line number Diff line change
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// check-pass
#![feature(type_alias_impl_trait)]

pub trait Trait {
type A;

fn f() -> Self::A;
}

pub trait Tr2<'a, 'b> {}

pub struct A<T>(T);
pub trait Tr {
type B;
}

impl<'a, 'b, T: Tr<B = dyn Tr2<'a, 'b>>> Trait for A<T> {
type A = impl core::fmt::Debug;

fn f() -> Self::A {}
}

fn main() {}