Rollup merge of #115888 - RalfJung:assert_receiver_is_total_eq, r=dtolnay

fix a comment about assert_receiver_is_total_eq

"a type implements #[deriving]" doesn't make any sense, so I assume they meant "implement `Eq`"? Also the attribute is called `derive`.

library/core/src/cmp.rs

@@ -291,9 +291,9 @@ fn ne(&self, other: &Rhs) -> bool {
 #[stable(feature = "rust1", since = "1.0.0")]
 #[rustc_diagnostic_item = "Eq"]
 pub trait Eq: PartialEq<Self> {
-    // this method is used solely by #[deriving] to assert
-    // that every component of a type implements #[deriving]
-    // itself, the current deriving infrastructure means doing this
+    // this method is used solely by #[derive(Eq)] to assert
+    // that every component of a type implements `Eq`
+    // itself. The current deriving infrastructure means doing this
     // assertion without using a method on this trait is nearly
     // impossible.
     //