From: Michael Watzko <michael@watzko.de>
Date: Sat, 28 Aug 2021 11:28:35 +0000 (+0200)
Subject: Use wrapping shift for unsigned types
X-Git-Url: https://git.lizzy.rs/?a=commitdiff_plain;h=acf0a0c3940e3b1589e93f868c4708f4f8c4f4eb;p=rust.git

Use wrapping shift for unsigned types
---

diff --git a/library/core/src/num/saturating.rs b/library/core/src/num/saturating.rs
index 2e84f065713..b2705ca0cc4 100644
--- a/library/core/src/num/saturating.rs
+++ b/library/core/src/num/saturating.rs
@@ -141,7 +141,7 @@ impl Shl<$f> for Saturating<$t> {
 
             #[inline]
             fn shl(self, other: $f) -> Saturating<$t> {
-                Saturating(self.0.shl((other & self::shift_max::$t as $f) as u32))
+                Saturating(self.0.wrapping_shl(other as u32))
             }
         }
         forward_ref_binop! { impl Shl, shl for Saturating<$t>, $f,
@@ -162,7 +162,7 @@ impl Shr<$f> for Saturating<$t> {
 
             #[inline]
             fn shr(self, other: $f) -> Saturating<$t> {
-                Saturating(self.0.shr((other & self::shift_max::$t as $f) as u32))
+                Saturating(self.0.wrapping_shr(other as u32))
             }
         }
         forward_ref_binop! { impl Shr, shr for Saturating<$t>, $f,