1 error[E0391]: cycle detected when computing type of `Foo::{opaque#0}`
2 --> $DIR/reveal_local.rs:5:12
4 LL | type Foo = impl Debug;
7 note: ...which requires type-checking `not_good`...
8 --> $DIR/reveal_local.rs:13:5
10 LL | is_send::<Foo>();
12 = note: ...which requires evaluating trait selection obligation `Foo: core::marker::Send`...
13 = note: ...which again requires computing type of `Foo::{opaque#0}`, completing the cycle
14 note: cycle used when checking item types in top-level module
15 --> $DIR/reveal_local.rs:1:1
17 LL | / #![feature(type_alias_impl_trait)]
19 LL | | use std::fmt::Debug;
26 error: aborting due to previous error
28 For more information about this error, try `rustc --explain E0391`.