From c4c521457b724e147ab37fa17a42010dddc1c564 Mon Sep 17 00:00:00 2001
From: Wim Looman <wim.looman@kiwi.ki>
Date: Tue, 3 Apr 2018 14:29:28 +0200
Subject: [PATCH 1/2] impl Unpin for Pin

---
 src/libcore/mem.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/libcore/mem.rs b/src/libcore/mem.rs
index b2467c948b4b1..e3f08926610f6 100644
--- a/src/libcore/mem.rs
+++ b/src/libcore/mem.rs
@@ -1213,3 +1213,6 @@ impl<'a, T: ?Sized> fmt::Pointer for Pin<'a, T> {
 
 #[unstable(feature = "pin", issue = "49150")]
 impl<'a, T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<Pin<'a, U>> for Pin<'a, T> {}
+
+#[unstable(feature = "pin", issue = "49150")]
+unsafe impl<'a, T: ?Sized> Unpin for Pin<'a, T> {}

From a29d4d9ad6fb27003712932566724be265e354cd Mon Sep 17 00:00:00 2001
From: Wim Looman <wim@nemo157.com>
Date: Thu, 5 Apr 2018 20:03:02 +0200
Subject: [PATCH 2/2] impl Unpin for PinBox

---
 src/liballoc/boxed.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/liballoc/boxed.rs b/src/liballoc/boxed.rs
index e59a6e9fdea60..a319fb797f88b 100644
--- a/src/liballoc/boxed.rs
+++ b/src/liballoc/boxed.rs
@@ -994,3 +994,6 @@ impl<T: ?Sized> fmt::Pointer for PinBox<T> {
 
 #[unstable(feature = "pin", issue = "49150")]
 impl<T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<PinBox<U>> for PinBox<T> {}
+
+#[unstable(feature = "pin", issue = "49150")]
+unsafe impl<T: ?Sized> Unpin for PinBox<T> {}