Rollup merge of rust-lang#124184 - gurry:124152-suggest-unsigned-abs-in-abs-doc, r=jhpratt

Suggest using `unsigned_abs` in `abs` documentation

Fixes rust-lang#124152

Author: GuillaumeGomez

library/core/src/num/int_macros.rs

@@ -3199,7 +3199,8 @@ macro_rules! int_impl {
         /// that code in debug mode will trigger a panic on this case and
         /// optimized code will return
         #[doc = concat!("`", stringify!($SelfT), "::MIN`")]
-        /// without a panic.
+        /// without a panic. If you do not want this behavior consider
+        /// using [`unsigned_abs`](Self::unsigned_abs) instead.
         ///
         /// # Examples
         ///