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-rw-r--r--src/libcore/mem.rs3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/libcore/mem.rs b/src/libcore/mem.rs
index b2467c948b4..e3f08926610 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> {}