Use addr_of_mut

src/unsafe_self_cell.rs

@@ -1,6 +1,6 @@
 use core::marker::PhantomData;
 use core::mem::transmute;
-use core::ptr::{drop_in_place, read, NonNull};
+use core::ptr::{addr_of_mut, drop_in_place, read, NonNull};
 
 extern crate alloc;
 
@@ -79,8 +79,8 @@ impl<ContainedIn, Owner, DependentStatic> UnsafeSelfCell<ContainedIn, Owner, Dep
         // IMPORTANT dependent must be dropped before owner.
         // We don't want to rely on an implicit order of struct fields.
         // So we drop the struct, field by field manually.
-        drop_in_place(&mut (*joined_ptr.as_ptr()).dependent);
-        drop_in_place(&mut (*joined_ptr.as_ptr()).owner);
+        drop_in_place(addr_of_mut!((*joined_ptr.as_ptr()).dependent));
+        drop_in_place(addr_of_mut!((*joined_ptr.as_ptr()).owner));
 
         let layout = Layout::new::<JoinedCell<Owner, Dependent>>();