src/test/ui/specialization/deafult-generic-associated-type-bound.stderr

   1 warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
   2   --> $DIR/deafult-generic-associated-type-bound.rs:3:12
   3    |
   4 LL | #![feature(specialization)]
   5    |            ^^^^^^^^^^^^^^
   6    |
   7    = note: `#[warn(incomplete_features)]` on by default
   8    = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
   9    = help: consider using `min_specialization` instead, which is more stable and complete
  10
  11 warning: the feature `generic_associated_types` is incomplete and may not be safe to use and/or cause compiler crashes
  12   --> $DIR/deafult-generic-associated-type-bound.rs:4:12
  13    |
  14 LL | #![feature(generic_associated_types)]
  15    |            ^^^^^^^^^^^^^^^^^^^^^^^^
  16    |
  17    = note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information
  18
  19 error[E0277]: can't compare `T` with `T`
  20   --> $DIR/deafult-generic-associated-type-bound.rs:19:5
  21    |
  22 LL |     type U<'a>: PartialEq<&'a Self> where Self: 'a;
  23    |                 ------------------- required by this bound in `X::U`
  24 ...
  25 LL |     default type U<'a> = &'a T;
  26    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `T == T`
  27    |
  28    = note: required because of the requirements on the impl of `PartialEq` for `&'a T`
  29 help: consider further restricting this bound
  30    |
  31 LL | impl<T: 'static + std::cmp::PartialEq> X for T {
  32    |                 ^^^^^^^^^^^^^^^^^^^^^
  33
  34 error: aborting due to previous error; 2 warnings emitted
  35
  36 For more information about this error, try `rustc --explain E0277`.