1 error[E0277]: the trait bound `T: Copy` is not satisfied
2 --> $DIR/wf-trait-superbound.rs:9:21
4 LL | trait SomeTrait<T>: ExtraCopy<T> {
5 | ^^^^^^^^^^^^ the trait `Copy` is not implemented for `T`
7 note: required by a bound in `ExtraCopy`
8 --> $DIR/wf-trait-superbound.rs:7:19
10 LL | trait ExtraCopy<T:Copy> { }
11 | ^^^^ required by this bound in `ExtraCopy`
12 help: consider restricting type parameter `T`
14 LL | trait SomeTrait<T: std::marker::Copy>: ExtraCopy<T> {
17 error: aborting due to previous error
19 For more information about this error, try `rustc --explain E0277`.