src/test/ui/wf/wf-enum-bound.stderr

   1 error[E0277]: the trait bound `U: std::marker::Copy` is not satisfied
   2   --> $DIR/wf-enum-bound.rs:10:14
   3    |
   4 LL | trait ExtraCopy<T:Copy> { }
   5    | ----------------------- required by `ExtraCopy`
   6 ...
   7 LL |     where T: ExtraCopy<U>
   8    |              ^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `U`
   9    |
  10 help: consider restricting this type parameter with `where U: std::marker::Copy`
  11   --> $DIR/wf-enum-bound.rs:9:17
  12    |
  13 LL | enum SomeEnum<T,U>
  14    |                 ^
  15
  16 error: aborting due to previous error
  17
  18 For more information about this error, try `rustc --explain E0277`.