From c8edd9a16e2e9db1fa2f26a0164740ae426f4876 Mon Sep 17 00:00:00 2001
From: Michael Wright <mikerite@lavabit.com>
Date: Sat, 30 Oct 2021 06:22:19 +0200
Subject: [PATCH] Remove casts from FullInt impl

---
 clippy_utils/src/consts.rs | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/clippy_utils/src/consts.rs b/clippy_utils/src/consts.rs
index 3b718d64ce6..85dad1dcfb2 100644
--- a/clippy_utils/src/consts.rs
+++ b/clippy_utils/src/consts.rs
@@ -230,16 +230,9 @@ pub enum FullInt {
 }
 
 impl FullInt {
-    #[allow(clippy::cast_sign_loss)]
     #[must_use]
     fn cmp_s_u(s: i128, u: u128) -> Ordering {
-        if s < 0 {
-            Ordering::Less
-        } else if u > (i128::MAX as u128) {
-            Ordering::Greater
-        } else {
-            (s as u128).cmp(&u)
-        }
+        u128::try_from(s).map_or(Ordering::Less, |x| x.cmp(&u))
     }
 }