From 8c73ce6611e08c09c2ba6344c1fc9168e2daed55 Mon Sep 17 00:00:00 2001
From: Anders Kaseorg <andersk@mit.edu>
Date: Mon, 19 Dec 2022 23:08:38 -0800
Subject: [PATCH] Update coerce_unsized tracking issue from #27732 to #18598

Issue #27732 was closed as a duplicate of #18598.

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
---
 library/alloc/src/boxed.rs       |  2 +-
 library/alloc/src/rc.rs          |  4 ++--
 library/alloc/src/sync.rs        |  4 ++--
 library/core/src/cell.rs         | 12 ++++++------
 library/core/src/marker.rs       |  2 +-
 library/core/src/ops/mod.rs      |  2 +-
 library/core/src/ops/unsize.rs   | 20 ++++++++++----------
 library/core/src/ptr/non_null.rs |  2 +-
 8 files changed, 24 insertions(+), 24 deletions(-)

diff --git a/library/alloc/src/boxed.rs b/library/alloc/src/boxed.rs
index e5f6b0c0c65d2..b154688fb087b 100644
--- a/library/alloc/src/boxed.rs
+++ b/library/alloc/src/boxed.rs
@@ -2033,7 +2033,7 @@ impl<Args: Tuple, F: Fn<Args> + ?Sized, A: Allocator> Fn<Args> for Box<F, A> {
     }
 }
 
-#[unstable(feature = "coerce_unsized", issue = "27732")]
+#[unstable(feature = "coerce_unsized", issue = "18598")]
 impl<T: ?Sized + Unsize<U>, U: ?Sized, A: Allocator> CoerceUnsized<Box<U, A>> for Box<T, A> {}
 
 #[unstable(feature = "dispatch_from_dyn", issue = "none")]
diff --git a/library/alloc/src/rc.rs b/library/alloc/src/rc.rs
index 38e31b1802a42..80a5913daa6e0 100644
--- a/library/alloc/src/rc.rs
+++ b/library/alloc/src/rc.rs
@@ -336,7 +336,7 @@ impl<T: RefUnwindSafe + ?Sized> UnwindSafe for Rc<T> {}
 #[stable(feature = "rc_ref_unwind_safe", since = "1.58.0")]
 impl<T: RefUnwindSafe + ?Sized> RefUnwindSafe for Rc<T> {}
 
-#[unstable(feature = "coerce_unsized", issue = "27732")]
+#[unstable(feature = "coerce_unsized", issue = "18598")]
 impl<T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<Rc<U>> for Rc<T> {}
 
 #[unstable(feature = "dispatch_from_dyn", issue = "none")]
@@ -2190,7 +2190,7 @@ impl<T: ?Sized> !marker::Send for Weak<T> {}
 #[stable(feature = "rc_weak", since = "1.4.0")]
 impl<T: ?Sized> !marker::Sync for Weak<T> {}
 
-#[unstable(feature = "coerce_unsized", issue = "27732")]
+#[unstable(feature = "coerce_unsized", issue = "18598")]
 impl<T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<Weak<U>> for Weak<T> {}
 
 #[unstable(feature = "dispatch_from_dyn", issue = "none")]
diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs
index f7dc4d1094ca3..ddcd863aa3e33 100644
--- a/library/alloc/src/sync.rs
+++ b/library/alloc/src/sync.rs
@@ -254,7 +254,7 @@ unsafe impl<T: ?Sized + Sync + Send> Sync for Arc<T> {}
 #[stable(feature = "catch_unwind", since = "1.9.0")]
 impl<T: RefUnwindSafe + ?Sized> UnwindSafe for Arc<T> {}
 
-#[unstable(feature = "coerce_unsized", issue = "27732")]
+#[unstable(feature = "coerce_unsized", issue = "18598")]
 impl<T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<Arc<U>> for Arc<T> {}
 
 #[unstable(feature = "dispatch_from_dyn", issue = "none")]
@@ -306,7 +306,7 @@ unsafe impl<T: ?Sized + Sync + Send> Send for Weak<T> {}
 #[stable(feature = "arc_weak", since = "1.4.0")]
 unsafe impl<T: ?Sized + Sync + Send> Sync for Weak<T> {}
 
-#[unstable(feature = "coerce_unsized", issue = "27732")]
+#[unstable(feature = "coerce_unsized", issue = "18598")]
 impl<T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<Weak<U>> for Weak<T> {}
 #[unstable(feature = "dispatch_from_dyn", issue = "none")]
 impl<T: ?Sized + Unsize<U>, U: ?Sized> DispatchFromDyn<Weak<U>> for Weak<T> {}
diff --git a/library/core/src/cell.rs b/library/core/src/cell.rs
index 47cce2aa39b0c..b4e173ce03d8a 100644
--- a/library/core/src/cell.rs
+++ b/library/core/src/cell.rs
@@ -568,7 +568,7 @@ impl<T: Default> Cell<T> {
     }
 }
 
-#[unstable(feature = "coerce_unsized", issue = "27732")]
+#[unstable(feature = "coerce_unsized", issue = "18598")]
 impl<T: CoerceUnsized<U>, U> CoerceUnsized<Cell<U>> for Cell<T> {}
 
 impl<T> Cell<[T]> {
@@ -1266,7 +1266,7 @@ impl<T> const From<T> for RefCell<T> {
     }
 }
 
-#[unstable(feature = "coerce_unsized", issue = "27732")]
+#[unstable(feature = "coerce_unsized", issue = "18598")]
 impl<T: CoerceUnsized<U>, U> CoerceUnsized<RefCell<U>> for RefCell<T> {}
 
 struct BorrowRef<'b> {
@@ -1492,7 +1492,7 @@ impl<'b, T: ?Sized> Ref<'b, T> {
     }
 }
 
-#[unstable(feature = "coerce_unsized", issue = "27732")]
+#[unstable(feature = "coerce_unsized", issue = "18598")]
 impl<'b, T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<Ref<'b, U>> for Ref<'b, T> {}
 
 #[stable(feature = "std_guard_impls", since = "1.20.0")]
@@ -1738,7 +1738,7 @@ impl<T: ?Sized> DerefMut for RefMut<'_, T> {
     }
 }
 
-#[unstable(feature = "coerce_unsized", issue = "27732")]
+#[unstable(feature = "coerce_unsized", issue = "18598")]
 impl<'b, T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<RefMut<'b, U>> for RefMut<'b, T> {}
 
 #[stable(feature = "std_guard_impls", since = "1.20.0")]
@@ -2074,7 +2074,7 @@ impl<T> const From<T> for UnsafeCell<T> {
     }
 }
 
-#[unstable(feature = "coerce_unsized", issue = "27732")]
+#[unstable(feature = "coerce_unsized", issue = "18598")]
 impl<T: CoerceUnsized<U>, U> CoerceUnsized<UnsafeCell<U>> for UnsafeCell<T> {}
 
 /// [`UnsafeCell`], but [`Sync`].
@@ -2164,7 +2164,7 @@ impl<T> const From<T> for SyncUnsafeCell<T> {
     }
 }
 
-#[unstable(feature = "coerce_unsized", issue = "27732")]
+#[unstable(feature = "coerce_unsized", issue = "18598")]
 //#[unstable(feature = "sync_unsafe_cell", issue = "95439")]
 impl<T: CoerceUnsized<U>, U> CoerceUnsized<SyncUnsafeCell<U>> for SyncUnsafeCell<T> {}
 
diff --git a/library/core/src/marker.rs b/library/core/src/marker.rs
index 42c3428019769..4b85c1112b940 100644
--- a/library/core/src/marker.rs
+++ b/library/core/src/marker.rs
@@ -126,7 +126,7 @@ pub trait Sized {
 /// [`Rc`]: ../../std/rc/struct.Rc.html
 /// [RFC982]: https://github.com/rust-lang/rfcs/blob/master/text/0982-dst-coercion.md
 /// [nomicon-coerce]: ../../nomicon/coercions.html
-#[unstable(feature = "unsize", issue = "27732")]
+#[unstable(feature = "unsize", issue = "18598")]
 #[lang = "unsize"]
 #[cfg_attr(not(bootstrap), rustc_deny_explicit_impl)]
 pub trait Unsize<T: ?Sized> {
diff --git a/library/core/src/ops/mod.rs b/library/core/src/ops/mod.rs
index eb2a92f4644d1..97d9b750d92f9 100644
--- a/library/core/src/ops/mod.rs
+++ b/library/core/src/ops/mod.rs
@@ -201,7 +201,7 @@ pub(crate) use self::try_trait::{ChangeOutputType, NeverShortCircuit};
 #[unstable(feature = "generator_trait", issue = "43122")]
 pub use self::generator::{Generator, GeneratorState};
 
-#[unstable(feature = "coerce_unsized", issue = "27732")]
+#[unstable(feature = "coerce_unsized", issue = "18598")]
 pub use self::unsize::CoerceUnsized;
 
 #[unstable(feature = "dispatch_from_dyn", issue = "none")]
diff --git a/library/core/src/ops/unsize.rs b/library/core/src/ops/unsize.rs
index a920b9165c18e..b51f12580ea4f 100644
--- a/library/core/src/ops/unsize.rs
+++ b/library/core/src/ops/unsize.rs
@@ -31,41 +31,41 @@ use crate::marker::Unsize;
 /// [dst-coerce]: https://github.com/rust-lang/rfcs/blob/master/text/0982-dst-coercion.md
 /// [unsize]: crate::marker::Unsize
 /// [nomicon-coerce]: ../../nomicon/coercions.html
-#[unstable(feature = "coerce_unsized", issue = "27732")]
+#[unstable(feature = "coerce_unsized", issue = "18598")]
 #[lang = "coerce_unsized"]
 pub trait CoerceUnsized<T: ?Sized> {
     // Empty.
 }
 
 // &mut T -> &mut U
-#[unstable(feature = "coerce_unsized", issue = "27732")]
+#[unstable(feature = "coerce_unsized", issue = "18598")]
 impl<'a, T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<&'a mut U> for &'a mut T {}
 // &mut T -> &U
-#[unstable(feature = "coerce_unsized", issue = "27732")]
+#[unstable(feature = "coerce_unsized", issue = "18598")]
 impl<'a, 'b: 'a, T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<&'a U> for &'b mut T {}
 // &mut T -> *mut U
-#[unstable(feature = "coerce_unsized", issue = "27732")]
+#[unstable(feature = "coerce_unsized", issue = "18598")]
 impl<'a, T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<*mut U> for &'a mut T {}
 // &mut T -> *const U
-#[unstable(feature = "coerce_unsized", issue = "27732")]
+#[unstable(feature = "coerce_unsized", issue = "18598")]
 impl<'a, T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<*const U> for &'a mut T {}
 
 // &T -> &U
-#[unstable(feature = "coerce_unsized", issue = "27732")]
+#[unstable(feature = "coerce_unsized", issue = "18598")]
 impl<'a, 'b: 'a, T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<&'a U> for &'b T {}
 // &T -> *const U
-#[unstable(feature = "coerce_unsized", issue = "27732")]
+#[unstable(feature = "coerce_unsized", issue = "18598")]
 impl<'a, T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<*const U> for &'a T {}
 
 // *mut T -> *mut U
-#[unstable(feature = "coerce_unsized", issue = "27732")]
+#[unstable(feature = "coerce_unsized", issue = "18598")]
 impl<T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<*mut U> for *mut T {}
 // *mut T -> *const U
-#[unstable(feature = "coerce_unsized", issue = "27732")]
+#[unstable(feature = "coerce_unsized", issue = "18598")]
 impl<T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<*const U> for *mut T {}
 
 // *const T -> *const U
-#[unstable(feature = "coerce_unsized", issue = "27732")]
+#[unstable(feature = "coerce_unsized", issue = "18598")]
 impl<T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<*const U> for *const T {}
 
 /// `DispatchFromDyn` is used in the implementation of object safety checks (specifically allowing
diff --git a/library/core/src/ptr/non_null.rs b/library/core/src/ptr/non_null.rs
index c4348169c78c7..af79d4bbd836c 100644
--- a/library/core/src/ptr/non_null.rs
+++ b/library/core/src/ptr/non_null.rs
@@ -712,7 +712,7 @@ impl<T: ?Sized> const Clone for NonNull<T> {
 #[stable(feature = "nonnull", since = "1.25.0")]
 impl<T: ?Sized> Copy for NonNull<T> {}
 
-#[unstable(feature = "coerce_unsized", issue = "27732")]
+#[unstable(feature = "coerce_unsized", issue = "18598")]
 impl<T: ?Sized, U: ?Sized> CoerceUnsized<NonNull<U>> for NonNull<T> where T: Unsize<U> {}
 
 #[unstable(feature = "dispatch_from_dyn", issue = "none")]