error: unconstrained opaque type
  --> $DIR/coherence-bikeshed-intrinsic-from.rs:4:19
   |
LL | type OpaqueType = impl OpaqueTrait;
   |                   ^^^^^^^^^^^^^^^^
   |
   = note: `OpaqueType` must be used in combination with a concrete type within the same module

error[E0747]: type provided when a constant was expected
  --> $DIR/coherence-bikeshed-intrinsic-from.rs:7:37
   |
LL | impl<T: std::mem::TransmuteFrom<(), ()>> AnotherTrait for T {}
   |                                     ^^

error[E0119]: conflicting implementations of trait `AnotherTrait`
  --> $DIR/coherence-bikeshed-intrinsic-from.rs:9:1
   |
LL | impl<T: std::mem::TransmuteFrom<(), ()>> AnotherTrait for T {}
   | ----------------------------------------------------------- first implementation here
LL |
LL | impl AnotherTrait for OpaqueType {}
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation

error: aborting due to 3 previous errors

Some errors have detailed explanations: E0119, E0747.
For more information about an error, try `rustc --explain E0119`.