1 error: borrow of moved value
2 --> $DIR/borrowck-pat-by-move-and-ref-inverse-promotion.rs:9:9
4 LL | let a @ ref b = U;
7 | | value borrowed here after move
8 | value moved into `a` here
9 | move occurs because `a` has type `U` which does not implement the `Copy` trait
11 error: aborting due to previous error