Auto merge of #72768 - JohnTitor:rollup-6kwokh6, r=JohnTitor

Rollup of 10 pull requests

Successful merges:

 - #72033 (Update RELEASES.md for 1.44.0)
 - #72162 (Add Extend::{extend_one,extend_reserve})
 - #72419 (Miri read_discriminant: return a scalar instead of raw underlying bytes)
 - #72621 (Don't bail out of trait selection when predicate references an error)
 - #72677 (Fix diagnostics for `@ ..` binding pattern in tuples and tuple structs)
 - #72710 (Add test to make sure -Wunused-crate-dependencies works with tests)
 - #72724 (Revert recursive `TokenKind::Interpolated` expansion for now)
 - #72741 (Remove unused mut from long-linker-command-lines test)
 - #72750 (Remove remaining calls to `as_local_node_id`)
 - #72752 (remove mk_bool)

Failed merges:

r? @ghost

1 files changed, 35 insertions, 0 deletions

diff --git a/src/liballoc/string.rs b/src/liballoc/string.rs
index f3fe1adebb1..0378ff5362a 100644
--- a/src/liballoc/string.rs
+++ b/src/liballoc/string.rs
@@ -1799,6 +1799,16 @@ impl Extend<char> for String {
         self.reserve(lower_bound);
         iterator.for_each(move |c| self.push(c));
     }
+
+    #[inline]
+    fn extend_one(&mut self, c: char) {
+        self.push(c);
+    }
+
+    #[inline]
+    fn extend_reserve(&mut self, additional: usize) {
+        self.reserve(additional);
+    }
 }
 
 #[stable(feature = "extend_ref", since = "1.2.0")]
@@ -1806,6 +1816,16 @@ impl<'a> Extend<&'a char> for String {
     fn extend<I: IntoIterator<Item = &'a char>>(&mut self, iter: I) {
         self.extend(iter.into_iter().cloned());
     }
+
+    #[inline]
+    fn extend_one(&mut self, &c: &'a char) {
+        self.push(c);
+    }
+
+    #[inline]
+    fn extend_reserve(&mut self, additional: usize) {
+        self.reserve(additional);
+    }
 }
 
 #[stable(feature = "rust1", since = "1.0.0")]
@@ -1813,6 +1833,11 @@ impl<'a> Extend<&'a str> for String {
     fn extend<I: IntoIterator<Item = &'a str>>(&mut self, iter: I) {
         iter.into_iter().for_each(move |s| self.push_str(s));
     }
+
+    #[inline]
+    fn extend_one(&mut self, s: &'a str) {
+        self.push_str(s);
+    }
 }
 
 #[stable(feature = "extend_string", since = "1.4.0")]
@@ -1820,6 +1845,11 @@ impl Extend<String> for String {
     fn extend<I: IntoIterator<Item = String>>(&mut self, iter: I) {
         iter.into_iter().for_each(move |s| self.push_str(&s));
     }
+
+    #[inline]
+    fn extend_one(&mut self, s: String) {
+        self.push_str(&s);
+    }
 }
 
 #[stable(feature = "herd_cows", since = "1.19.0")]
@@ -1827,6 +1857,11 @@ impl<'a> Extend<Cow<'a, str>> for String {
     fn extend<I: IntoIterator<Item = Cow<'a, str>>>(&mut self, iter: I) {
         iter.into_iter().for_each(move |s| self.push_str(&s));
     }
+
+    #[inline]
+    fn extend_one(&mut self, s: Cow<'a, str>) {
+        self.push_str(&s);
+    }
 }
 
 /// A convenience impl that delegates to the impl for `&str`.