| error[E0277]: `PhantomPinned` cannot be unpinned | |
| --> $DIR/trivial_bounds-bug.rs:13:43 | |
| | | |
| 13 | impl Unpin for A where PhantomPinned: Unpin {} //~ ERROR E0277 | |
| | ^^^^^ the trait `Unpin` is not implemented for `PhantomPinned` | |
| | | |
| = note: consider using `Box::pin` |