From 3a54ab78efc66c17a6d2bb57463f5dac4696c7ed Mon Sep 17 00:00:00 2001
From: Oleg Nosov <olegnosov1@gmail.com>
Date: Tue, 5 Nov 2019 15:22:03 +0300
Subject: [PATCH 1/3] LinkedList: PhantomData<Box<Node<T>>> => PhantomData<T>

---
 src/liballoc/collections/linked_list.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/liballoc/collections/linked_list.rs b/src/liballoc/collections/linked_list.rs
index 702df250999fb..da06203a2cbec 100644
--- a/src/liballoc/collections/linked_list.rs
+++ b/src/liballoc/collections/linked_list.rs
@@ -39,7 +39,7 @@ pub struct LinkedList<T> {
     head: Option<NonNull<Node<T>>>,
     tail: Option<NonNull<Node<T>>>,
     len: usize,
-    marker: PhantomData<Box<Node<T>>>,
+    marker: PhantomData<T>,
 }
 
 struct Node<T> {
@@ -60,7 +60,7 @@ pub struct Iter<'a, T: 'a> {
     head: Option<NonNull<Node<T>>>,
     tail: Option<NonNull<Node<T>>>,
     len: usize,
-    marker: PhantomData<&'a Node<T>>,
+    marker: PhantomData<&'a T>,
 }
 
 #[stable(feature = "collection_debug", since = "1.17.0")]
@@ -90,7 +90,7 @@ impl<T> Clone for Iter<'_, T> {
 #[stable(feature = "rust1", since = "1.0.0")]
 pub struct IterMut<'a, T: 'a> {
     // We do *not* exclusively own the entire list here, references to node's `element`
-    // have been handed out by the iterator!  So be careful when using this; the methods
+    // have been handed out by the iterator! So be careful when using this; the methods
     // called must be aware that there can be aliasing pointers to `element`.
     list: &'a mut LinkedList<T>,
     head: Option<NonNull<Node<T>>>,

From 45f281d46166fb90c7e9403ad814bebb67aa926d Mon Sep 17 00:00:00 2001
From: Oleg Nosov <olegnosov1@gmail.com>
Date: Tue, 5 Nov 2019 23:34:54 +0300
Subject: [PATCH 2/3] Reverted PhantomData in LinkedList, fixed PhantomData
 markers in Rc and Arc

---
 src/liballoc/collections/linked_list.rs | 4 ++--
 src/liballoc/rc.rs                      | 2 +-
 src/liballoc/sync.rs                    | 2 +-
 src/libcore/cell.rs                     | 4 +++-
 4 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/liballoc/collections/linked_list.rs b/src/liballoc/collections/linked_list.rs
index da06203a2cbec..8d73f352fd4a1 100644
--- a/src/liballoc/collections/linked_list.rs
+++ b/src/liballoc/collections/linked_list.rs
@@ -39,7 +39,7 @@ pub struct LinkedList<T> {
     head: Option<NonNull<Node<T>>>,
     tail: Option<NonNull<Node<T>>>,
     len: usize,
-    marker: PhantomData<T>,
+    marker: PhantomData<Box<Node<T>>>,
 }
 
 struct Node<T> {
@@ -60,7 +60,7 @@ pub struct Iter<'a, T: 'a> {
     head: Option<NonNull<Node<T>>>,
     tail: Option<NonNull<Node<T>>>,
     len: usize,
-    marker: PhantomData<&'a T>,
+    marker: PhantomData<&'a Node<T>>,
 }
 
 #[stable(feature = "collection_debug", since = "1.17.0")]
diff --git a/src/liballoc/rc.rs b/src/liballoc/rc.rs
index f1c4c32e116ea..a11f9e8c14579 100644
--- a/src/liballoc/rc.rs
+++ b/src/liballoc/rc.rs
@@ -280,7 +280,7 @@ struct RcBox<T: ?Sized> {
 #[stable(feature = "rust1", since = "1.0.0")]
 pub struct Rc<T: ?Sized> {
     ptr: NonNull<RcBox<T>>,
-    phantom: PhantomData<T>,
+    phantom: PhantomData<RcBox<T>>,
 }
 
 #[stable(feature = "rust1", since = "1.0.0")]
diff --git a/src/liballoc/sync.rs b/src/liballoc/sync.rs
index 80d6c6e0d4390..4b10f089c2950 100644
--- a/src/liballoc/sync.rs
+++ b/src/liballoc/sync.rs
@@ -195,7 +195,7 @@ const MAX_REFCOUNT: usize = (isize::MAX) as usize;
 #[stable(feature = "rust1", since = "1.0.0")]
 pub struct Arc<T: ?Sized> {
     ptr: NonNull<ArcInner<T>>,
-    phantom: PhantomData<T>,
+    phantom: PhantomData<ArcInner<T>>,
 }
 
 #[stable(feature = "rust1", since = "1.0.0")]
diff --git a/src/libcore/cell.rs b/src/libcore/cell.rs
index fda103a52d8bc..c381998d99a89 100644
--- a/src/libcore/cell.rs
+++ b/src/libcore/cell.rs
@@ -137,9 +137,11 @@
 //! use std::cell::Cell;
 //! use std::ptr::NonNull;
 //! use std::intrinsics::abort;
+//! use std::marker::PhantomData;
 //!
 //! struct Rc<T: ?Sized> {
-//!     ptr: NonNull<RcBox<T>>
+//!     ptr: NonNull<RcBox<T>>,
+//!     phantom: PhantomData<RcBox<T>>,
 //! }
 //!
 //! struct RcBox<T: ?Sized> {

From 6a5931921ca751b8c6748111d15c5d97cb47fab4 Mon Sep 17 00:00:00 2001
From: Oleg Nosov <olegnosov1@gmail.com>
Date: Wed, 6 Nov 2019 01:03:31 +0300
Subject: [PATCH 3/3] Fixed libcore/cell.rs example

---
 src/libcore/cell.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/libcore/cell.rs b/src/libcore/cell.rs
index c381998d99a89..817c04d0af924 100644
--- a/src/libcore/cell.rs
+++ b/src/libcore/cell.rs
@@ -153,7 +153,10 @@
 //! impl<T: ?Sized> Clone for Rc<T> {
 //!     fn clone(&self) -> Rc<T> {
 //!         self.inc_strong();
-//!         Rc { ptr: self.ptr }
+//!         Rc {
+//!             ptr: self.ptr,
+//!             phantom: PhantomData,
+//!         }
 //!     }
 //! }
 //!