Rollup merge of rust-lang#150113 - Darksonn:pin-coerce-unsized-to-150112, r=jackh726

Update tracking issue for PinCoerceUnsized

This uses the newly created tracking issue rust-lang#150112.

Please see rust-lang#68015 (comment) for motivation.

r? `@jackh726`

Author: JonathanBrouwer

library/alloc/src/boxed.rs

@@ -2253,7 +2253,7 @@ impl<Args: Tuple, F: AsyncFn<Args> + ?Sized, A: Allocator> AsyncFn<Args> for Box
 #[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 = "pin_coerce_unsized_trait", issue = "123430")]
+#[unstable(feature = "pin_coerce_unsized_trait", issue = "150112")]
 unsafe impl<T: ?Sized, A: Allocator> PinCoerceUnsized for Box<T, A> {}
 
 // It is quite crucial that we only allow the `Global` allocator here.

library/alloc/src/rc.rs

@@ -2417,14 +2417,14 @@ impl<T: ?Sized, A: Allocator> Deref for Rc<T, A> {
     }
 }
 
-#[unstable(feature = "pin_coerce_unsized_trait", issue = "123430")]
+#[unstable(feature = "pin_coerce_unsized_trait", issue = "150112")]
 unsafe impl<T: ?Sized, A: Allocator> PinCoerceUnsized for Rc<T, A> {}
 
 //#[unstable(feature = "unique_rc_arc", issue = "112566")]
-#[unstable(feature = "pin_coerce_unsized_trait", issue = "123430")]
+#[unstable(feature = "pin_coerce_unsized_trait", issue = "150112")]
 unsafe impl<T: ?Sized, A: Allocator> PinCoerceUnsized for UniqueRc<T, A> {}
 
-#[unstable(feature = "pin_coerce_unsized_trait", issue = "123430")]
+#[unstable(feature = "pin_coerce_unsized_trait", issue = "150112")]
 unsafe impl<T: ?Sized, A: Allocator> PinCoerceUnsized for Weak<T, A> {}
 
 #[unstable(feature = "deref_pure_trait", issue = "87121")]

library/alloc/src/sync.rs

@@ -2423,10 +2423,10 @@ impl<T: ?Sized, A: Allocator> Deref for Arc<T, A> {
     }
 }
 
-#[unstable(feature = "pin_coerce_unsized_trait", issue = "123430")]
+#[unstable(feature = "pin_coerce_unsized_trait", issue = "150112")]
 unsafe impl<T: ?Sized, A: Allocator> PinCoerceUnsized for Arc<T, A> {}
 
-#[unstable(feature = "pin_coerce_unsized_trait", issue = "123430")]
+#[unstable(feature = "pin_coerce_unsized_trait", issue = "150112")]
 unsafe impl<T: ?Sized, A: Allocator> PinCoerceUnsized for Weak<T, A> {}
 
 #[unstable(feature = "deref_pure_trait", issue = "87121")]
@@ -4852,7 +4852,7 @@ impl<T: ?Sized, A: Allocator> Deref for UniqueArc<T, A> {
 }
 
 // #[unstable(feature = "unique_rc_arc", issue = "112566")]
-#[unstable(feature = "pin_coerce_unsized_trait", issue = "123430")]
+#[unstable(feature = "pin_coerce_unsized_trait", issue = "150112")]
 unsafe impl<T: ?Sized> PinCoerceUnsized for UniqueArc<T> {}
 
 #[unstable(feature = "unique_rc_arc", issue = "112566")]

library/core/src/cell.rs

@@ -2696,20 +2696,20 @@ fn assert_coerce_unsized(
     let _: RefCell<&dyn Send> = d;
 }
 
-#[unstable(feature = "pin_coerce_unsized_trait", issue = "123430")]
+#[unstable(feature = "pin_coerce_unsized_trait", issue = "150112")]
 unsafe impl<T: ?Sized> PinCoerceUnsized for UnsafeCell<T> {}
 
-#[unstable(feature = "pin_coerce_unsized_trait", issue = "123430")]
+#[unstable(feature = "pin_coerce_unsized_trait", issue = "150112")]
 unsafe impl<T: ?Sized> PinCoerceUnsized for SyncUnsafeCell<T> {}
 
-#[unstable(feature = "pin_coerce_unsized_trait", issue = "123430")]
+#[unstable(feature = "pin_coerce_unsized_trait", issue = "150112")]
 unsafe impl<T: ?Sized> PinCoerceUnsized for Cell<T> {}
 
-#[unstable(feature = "pin_coerce_unsized_trait", issue = "123430")]
+#[unstable(feature = "pin_coerce_unsized_trait", issue = "150112")]
 unsafe impl<T: ?Sized> PinCoerceUnsized for RefCell<T> {}
 
-#[unstable(feature = "pin_coerce_unsized_trait", issue = "123430")]
+#[unstable(feature = "pin_coerce_unsized_trait", issue = "150112")]
 unsafe impl<'b, T: ?Sized> PinCoerceUnsized for Ref<'b, T> {}
 
-#[unstable(feature = "pin_coerce_unsized_trait", issue = "123430")]
+#[unstable(feature = "pin_coerce_unsized_trait", issue = "150112")]
 unsafe impl<'b, T: ?Sized> PinCoerceUnsized for RefMut<'b, T> {}

library/core/src/pin.rs

@@ -1825,7 +1825,7 @@ where
 {
 }
 
-#[unstable(feature = "pin_coerce_unsized_trait", issue = "123430")]
+#[unstable(feature = "pin_coerce_unsized_trait", issue = "150112")]
 /// Trait that indicates that this is a pointer or a wrapper for one, where
 /// unsizing can be performed on the pointee when it is pinned.
 ///

library/core/src/ptr/unique.rs

@@ -176,7 +176,7 @@ impl<T: PointeeSized, U: PointeeSized> CoerceUnsized<Unique<U>> for Unique<T> wh
 #[unstable(feature = "ptr_internals", issue = "none")]
 impl<T: PointeeSized, U: PointeeSized> DispatchFromDyn<Unique<U>> for Unique<T> where T: Unsize<U> {}
 
-#[unstable(feature = "pin_coerce_unsized_trait", issue = "123430")]
+#[unstable(feature = "pin_coerce_unsized_trait", issue = "150112")]
 unsafe impl<T: PointeeSized> PinCoerceUnsized for Unique<T> {}
 
 #[unstable(feature = "ptr_internals", issue = "none")]

library/std/src/sys/pal/sgx/abi/usercalls/alloc.rs

@@ -773,7 +773,7 @@ where
 #[unstable(feature = "sgx_platform", issue = "56975")]
 impl<T: CoerceUnsized<U>, U> CoerceUnsized<UserRef<U>> for UserRef<T> {}
 
-#[unstable(feature = "pin_coerce_unsized_trait", issue = "123430")]
+#[unstable(feature = "pin_coerce_unsized_trait", issue = "150112")]
 unsafe impl<T: ?Sized> PinCoerceUnsized for UserRef<T> {}
 
 #[unstable(feature = "sgx_platform", issue = "56975")]