Rollup merge of #83707 - exrook:unsafecell, r=m-ou-se

Dylan-DPC · web-flow · commit 1cc4b6de3e43 · 2021-04-13T11:10:39.000+02:00
Remove `T: Debug` bound on UnsafeCell Debug impl Prior art: #65013
diff --git a/library/core/src/fmt/mod.rs b/library/core/src/fmt/mod.rs
@@ -2268,7 +2268,7 @@ impl<T: ?Sized + Debug> Debug for RefMut<'_, T> {
 }
 
 #[stable(feature = "core_impl_debug", since = "1.9.0")]
-impl<T: ?Sized + Debug> Debug for UnsafeCell<T> {
+impl<T: ?Sized> Debug for UnsafeCell<T> {
     fn fmt(&self, f: &mut Formatter<'_>) -> Result {
         f.pad("UnsafeCell")
     }

Original file line number	Diff line number	Diff line change
`@@ -2268,7 +2268,7 @@ impl<T: ?Sized + Debug> Debug for RefMut<'_, T> {`
`2268`	`2268`	`}`
`2269`	`2269`
`2270`	`2270`	`#[stable(feature = "core_impl_debug", since = "1.9.0")]`
`2271`		`-impl<T: ?Sized + Debug> Debug for UnsafeCell<T> {`
	`2271`	`+impl<T: ?Sized> Debug for UnsafeCell<T> {`
`2272`	`2272`	`fn fmt(&self, f: &mut Formatter<'_>) -> Result {`
`2273`	`2273`	`f.pad("UnsafeCell")`
`2274`	`2274`	`}`