[clippy] Use symbols intended for arithmetic_side_effects

Author: c410-f3r

core/src/num/saturating.rs

@@ -35,6 +35,7 @@ use crate::ops::{Shl, ShlAssign, Shr, ShrAssign, Sub, SubAssign};
 #[unstable(feature = "saturating_int_impl", issue = "87920")]
 #[derive(PartialEq, Eq, PartialOrd, Ord, Clone, Copy, Default, Hash)]
 #[repr(transparent)]
+#[rustc_diagnostic_item = "Saturating"]
 pub struct Saturating<T>(#[unstable(feature = "saturating_int_impl", issue = "87920")] pub T);
 
 #[unstable(feature = "saturating_int_impl", issue = "87920")]

core/src/num/wrapping.rs

@@ -39,6 +39,7 @@ use crate::ops::{Shl, ShlAssign, Shr, ShrAssign, Sub, SubAssign};
 #[stable(feature = "rust1", since = "1.0.0")]
 #[derive(PartialEq, Eq, PartialOrd, Ord, Clone, Copy, Default, Hash)]
 #[repr(transparent)]
+#[rustc_diagnostic_item = "Wrapping"]
 pub struct Wrapping<T>(#[stable(feature = "rust1", since = "1.0.0")] pub T);
 
 #[stable(feature = "rust1", since = "1.0.0")]