error[E0391]: cycle detected when computing the supertraits of `Expr` | |
--> $DIR/issue-22673.rs:11:1 | |
| | |
LL | trait Expr : PartialEq<Self::Item> { | |
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | |
| | |
= note: ...which again requires computing the supertraits of `Expr`, completing the cycle | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0391`. |