From 207c52d534f048a06ed4e654451502aa86575040 Mon Sep 17 00:00:00 2001
From: CAD97 <cad97@cad97.com>
Date: Sat, 4 Jul 2020 01:42:44 -0400
Subject: [PATCH] Relax bounds of rc::Weak::as_ptr and friends

....to allow use with unsized T. This is a follow-up to #73845,
which did the impl work required to be able to relax these bounds.
---
 src/liballoc/rc.rs | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/liballoc/rc.rs b/src/liballoc/rc.rs
index fccdfa0dca92a..c026746e33d7f 100644
--- a/src/liballoc/rc.rs
+++ b/src/liballoc/rc.rs
@@ -1675,7 +1675,14 @@ impl<T> Weak<T> {
     pub fn new() -> Weak<T> {
         Weak { ptr: NonNull::new(usize::MAX as *mut RcBox<T>).expect("MAX is not 0") }
     }
+}
 
+pub(crate) fn is_dangling<T: ?Sized>(ptr: NonNull<T>) -> bool {
+    let address = ptr.as_ptr() as *mut () as usize;
+    address == usize::MAX
+}
+
+impl<T: ?Sized> Weak<T> {
     /// Returns a raw pointer to the object `T` pointed to by this `Weak<T>`.
     ///
     /// The pointer is valid only if there are some strong references. The pointer may be dangling,
@@ -1808,14 +1815,7 @@ impl<T> Weak<T> {
             }
         }
     }
-}
 
-pub(crate) fn is_dangling<T: ?Sized>(ptr: NonNull<T>) -> bool {
-    let address = ptr.as_ptr() as *mut () as usize;
-    address == usize::MAX
-}
-
-impl<T: ?Sized> Weak<T> {
     /// Attempts to upgrade the `Weak` pointer to an [`Rc`], delaying
     /// dropping of the inner value if successful.
     ///