/// Allows using items which are missing stability attributes
(removed, unmarked_api, "1.0.0", None, None, None),
(removed, unsafe_no_drop_flag, "1.0.0", None, None, None),
+ /// Allows `union` fields that don't implement `Copy` as long as they don't have any drop glue.
+ (removed, untagged_unions, "1.13.0", Some(55149), None,
+ Some("unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more")),
/// Allows `#[unwind(..)]`.
///
/// Permits specifying whether a function should permit unwinding or abort on unwind.