clippy fix: bound in one place

Author: hkBst

library/core/src/cmp.rs

@@ -1481,14 +1481,11 @@ pub trait PartialOrd<Rhs: PointeeSized = Self>: PartialEq<Rhs> + PointeeSized {
     }
 }
 
-fn default_chaining_impl<T: PointeeSized, U: PointeeSized>(
+fn default_chaining_impl<T: PartialOrd<U> + PointeeSized, U: PointeeSized>(
     lhs: &T,
     rhs: &U,
     p: impl FnOnce(Ordering) -> bool,
-) -> ControlFlow<bool>
-where
-    T: PartialOrd<U>,
-{
+) -> ControlFlow<bool> {
     // It's important that this only call `partial_cmp` once, not call `eq` then
     // one of the relational operators.  We don't want to `bcmp`-then-`memcp` a
     // `String`, for example, or similarly for other data structures (#108157).

library/core/src/iter/traits/iterator.rs

@@ -3414,10 +3414,9 @@ pub trait Iterator {
     /// ```
     #[stable(feature = "iter_copied", since = "1.36.0")]
     #[rustc_diagnostic_item = "iter_copied"]
-    fn copied<'a, T: 'a>(self) -> Copied<Self>
+    fn copied<'a, T: Copy + 'a>(self) -> Copied<Self>
     where
         Self: Sized + Iterator<Item = &'a T>,
-        T: Copy,
     {
         Copied::new(self)
     }
@@ -3462,10 +3461,9 @@ pub trait Iterator {
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
     #[rustc_diagnostic_item = "iter_cloned"]
-    fn cloned<'a, T: 'a>(self) -> Cloned<Self>
+    fn cloned<'a, T: Clone + 'a>(self) -> Cloned<Self>
     where
         Self: Sized + Iterator<Item = &'a T>,
-        T: Clone,
     {
         Cloned::new(self)
     }