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warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/default-associated-type-bound-2.rs:2:12
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LL | #![feature(specialization)]
| ^^^^^^^^^^^^^^
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= note: `#[warn(incomplete_features)]` on by default
= note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
= help: consider using `min_specialization` instead, which is more stable and complete
error[E0277]: can't compare `&'static B` with `B`
--> $DIR/default-associated-type-bound-2.rs:16:22
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LL | default type U = &'static B;
| ^^^^^^^^^^ no implementation for `&'static B == B`
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= help: the trait `PartialEq<B>` is not implemented for `&'static B`
note: required by a bound in `X::U`
--> $DIR/default-associated-type-bound-2.rs:6:13
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LL | type U: PartialEq<T>;
| ^^^^^^^^^^^^ required by this bound in `X::U`
help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement
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LL | impl<B: 'static, T> X<B> for T where &'static B: PartialEq<B> {
| ++++++++++++++++++++++++++++++
error: aborting due to previous error; 1 warning emitted
For more information about this error, try `rustc --explain E0277`.
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