5 files changed, 9 insertions, 8 deletions
diff --git a/src/libcore/cmp.rs b/src/libcore/cmp.rs
index 8c542136a7f..335969b3ef0 100644
--- a/src/libcore/cmp.rs
+++ b/src/libcore/cmp.rs
@@ -858,7 +858,7 @@ pub trait PartialOrd<Rhs: ?Sized = Self>: PartialEq<Rhs> {
     #[must_use]
     #[stable(feature = "rust1", since = "1.0.0")]
     fn le(&self, other: &Rhs) -> bool {
-        matches!(self.partial_cmp(other), Some(Less) | Some(Equal))
+        matches!(self.partial_cmp(other), Some(Less | Equal))
     }
 
     /// This method tests greater than (for `self` and `other`) and is used by the `>` operator.
@@ -895,7 +895,7 @@ pub trait PartialOrd<Rhs: ?Sized = Self>: PartialEq<Rhs> {
     #[must_use]
     #[stable(feature = "rust1", since = "1.0.0")]
     fn ge(&self, other: &Rhs) -> bool {
-        matches!(self.partial_cmp(other), Some(Greater) | Some(Equal))
+        matches!(self.partial_cmp(other), Some(Greater | Equal))
     }
 }
 
diff --git a/src/libcore/iter/traits/iterator.rs b/src/libcore/iter/traits/iterator.rs
index c8829817e19..34ca79154b6 100644
--- a/src/libcore/iter/traits/iterator.rs
+++ b/src/libcore/iter/traits/iterator.rs
@@ -3109,7 +3109,7 @@ pub trait Iterator {
         Self::Item: PartialOrd<I::Item>,
         Self: Sized,
     {
-        matches!(self.partial_cmp(other), Some(Ordering::Less) | Some(Ordering::Equal))
+        matches!(self.partial_cmp(other), Some(Ordering::Less | Ordering::Equal))
     }
 
     /// Determines if the elements of this `Iterator` are lexicographically
@@ -3149,7 +3149,7 @@ pub trait Iterator {
         Self::Item: PartialOrd<I::Item>,
         Self: Sized,
     {
-        matches!(self.partial_cmp(other), Some(Ordering::Greater) | Some(Ordering::Equal))
+        matches!(self.partial_cmp(other), Some(Ordering::Greater | Ordering::Equal))
     }
 
     /// Checks if the elements of this iterator are sorted.
diff --git a/src/libcore/lib.rs b/src/libcore/lib.rs
index a04b7162c92..1c7bce3fac5 100644
--- a/src/libcore/lib.rs
+++ b/src/libcore/lib.rs
@@ -105,6 +105,7 @@
 #![feature(exhaustive_patterns)]
 #![feature(no_core)]
 #![feature(optin_builtin_traits)]
+#![feature(or_patterns)]
 #![feature(prelude_import)]
 #![feature(repr_simd, platform_intrinsics)]
 #![feature(rustc_attrs)]
diff --git a/src/libcore/num/dec2flt/parse.rs b/src/libcore/num/dec2flt/parse.rs
index 93b08bce853..2766843155a 100644
--- a/src/libcore/num/dec2flt/parse.rs
+++ b/src/libcore/num/dec2flt/parse.rs
@@ -54,7 +54,7 @@ pub fn parse_decimal(s: &str) -> ParseResult<'_> {
 
     match s.first() {
         None => Valid(Decimal::new(integral, b"", 0)),
-        Some(&b'e') | Some(&b'E') => {
+        Some(&b'e' | &b'E') => {
             if integral.is_empty() {
                 return Invalid; // No digits before 'e'
             }
@@ -70,7 +70,7 @@ pub fn parse_decimal(s: &str) -> ParseResult<'_> {
 
             match s.first() {
                 None => Valid(Decimal::new(integral, fractional, 0)),
-                Some(&b'e') | Some(&b'E') => parse_exp(integral, fractional, &s[1..]),
+                Some(&b'e' | &b'E') => parse_exp(integral, fractional, &s[1..]),
                 _ => Invalid, // Trailing junk after fractional part
             }
         }
diff --git a/src/libcore/num/flt2dec/mod.rs b/src/libcore/num/flt2dec/mod.rs
index f5cd26a1852..9adea94e87d 100644
--- a/src/libcore/num/flt2dec/mod.rs
+++ b/src/libcore/num/flt2dec/mod.rs
@@ -422,14 +422,14 @@ fn determine_sign(sign: Sign, decoded: &FullDecoded, negative: bool) -> &'static
                 "+"
             }
         }
-        (_, Sign::Minus) | (_, Sign::MinusRaw) => {
+        (_, Sign::Minus | Sign::MinusRaw) => {
             if negative {
                 "-"
             } else {
                 ""
             }
         }
-        (_, Sign::MinusPlus) | (_, Sign::MinusPlusRaw) => {
+        (_, Sign::MinusPlus | Sign::MinusPlusRaw) => {
             if negative {
                 "-"
             } else {