1 error[E0740]: unions may not contain fields that need dropping
2 --> $DIR/union-custom-drop.rs:7:5
7 help: wrap the type with `std::mem::ManuallyDrop` and ensure it is manually dropped
9 LL | bar: std::mem::ManuallyDrop<Bar>,
10 | +++++++++++++++++++++++ +
12 error: aborting due to previous error
14 For more information about this error, try `rustc --explain E0740`.