| error[E0576]: cannot find associated type `X` in trait `A` | |
| --> $DIR/issue-22037.rs:3:33 | |
| | | |
| LL | fn a(&self) -> <Self as A>::X; | |
| | ^ not found in `A` | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0576`. |