src/test/ui/specialization/default-associated-type-bound-2.stderr

   1 warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
   2   --> $DIR/default-associated-type-bound-2.rs:2:12
   3    |
   4 LL | #![feature(specialization)]
   5    |            ^^^^^^^^^^^^^^
   6    |
   7    = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
   8    = help: consider using `min_specialization` instead, which is more stable and complete
   9    = note: `#[warn(incomplete_features)]` on by default
  10
  11 error[E0277]: can't compare `&'static B` with `B`
  12   --> $DIR/default-associated-type-bound-2.rs:16:22
  13    |
  14 LL |     default type U = &'static B;
  15    |                      ^^^^^^^^^^ no implementation for `&'static B == B`
  16    |
  17    = help: the trait `PartialEq<B>` is not implemented for `&'static B`
  18 note: required by a bound in `X::U`
  19   --> $DIR/default-associated-type-bound-2.rs:6:13
  20    |
  21 LL |     type U: PartialEq<T>;
  22    |             ^^^^^^^^^^^^ required by this bound in `X::U`
  23 help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement
  24    |
  25 LL | impl<B: 'static, T> X<B> for T where &'static B: PartialEq<B> {
  26    |                                ++++++++++++++++++++++++++++++
  27
  28 error: aborting due to previous error; 1 warning emitted
  29
  30 For more information about this error, try `rustc --explain E0277`.