Auto merge of #84982 - Dylan-DPC:rollup-q4cbec2, r=Dylan-DPC

Rollup of 8 pull requests

Successful merges:

 - #83507 (Implement RFC 2951: Native link modifiers)
 - #84328 (Stablize {HashMap,BTreeMap}::into_{keys,values})
 - #84712 (Simplify chdir implementation and minimize unsafe block)
 - #84851 (:arrow_up: rust-analyzer)
 - #84923 (Only compute Obligation `cache_key` once  in `register_obligation_at`)
 - #84945 (E0583: Include secondary path in error message)
 - #84949 (Fix typo in `MaybeUninit::array_assume_init` safety comment)
 - #84950 (Revert PR 83866)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

1 files changed, 14 insertions, 16 deletions

diff --git a/library/alloc/src/collections/btree/map.rs b/library/alloc/src/collections/btree/map.rs
index 971244718b4..0a46387c34e 100644
--- a/library/alloc/src/collections/btree/map.rs
+++ b/library/alloc/src/collections/btree/map.rs
@@ -398,12 +398,12 @@ impl<K, V: fmt::Debug> fmt::Debug for ValuesMut<'_, K, V> {
 /// See its documentation for more.
 ///
 /// [`into_keys`]: BTreeMap::into_keys
-#[unstable(feature = "map_into_keys_values", issue = "75294")]
+#[stable(feature = "map_into_keys_values", since = "1.54.0")]
 pub struct IntoKeys<K, V> {
     inner: IntoIter<K, V>,
 }
 
-#[unstable(feature = "map_into_keys_values", issue = "75294")]
+#[stable(feature = "map_into_keys_values", since = "1.54.0")]
 impl<K: fmt::Debug, V> fmt::Debug for IntoKeys<K, V> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_list().entries(self.inner.iter().map(|(key, _)| key)).finish()
@@ -416,12 +416,12 @@ impl<K: fmt::Debug, V> fmt::Debug for IntoKeys<K, V> {
 /// See its documentation for more.
 ///
 /// [`into_values`]: BTreeMap::into_values
-#[unstable(feature = "map_into_keys_values", issue = "75294")]
+#[stable(feature = "map_into_keys_values", since = "1.54.0")]
 pub struct IntoValues<K, V> {
     inner: IntoIter<K, V>,
 }
 
-#[unstable(feature = "map_into_keys_values", issue = "75294")]
+#[stable(feature = "map_into_keys_values", since = "1.54.0")]
 impl<K, V: fmt::Debug> fmt::Debug for IntoValues<K, V> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_list().entries(self.inner.iter().map(|(_, val)| val)).finish()
@@ -1242,7 +1242,6 @@ impl<K, V> BTreeMap<K, V> {
     /// # Examples
     ///
     /// ```
-    /// #![feature(map_into_keys_values)]
     /// use std::collections::BTreeMap;
     ///
     /// let mut a = BTreeMap::new();
@@ -1253,7 +1252,7 @@ impl<K, V> BTreeMap<K, V> {
     /// assert_eq!(keys, [1, 2]);
     /// ```
     #[inline]
-    #[unstable(feature = "map_into_keys_values", issue = "75294")]
+    #[stable(feature = "map_into_keys_values", since = "1.54.0")]
     pub fn into_keys(self) -> IntoKeys<K, V> {
         IntoKeys { inner: self.into_iter() }
     }
@@ -1265,7 +1264,6 @@ impl<K, V> BTreeMap<K, V> {
     /// # Examples
     ///
     /// ```
-    /// #![feature(map_into_keys_values)]
     /// use std::collections::BTreeMap;
     ///
     /// let mut a = BTreeMap::new();
@@ -1276,7 +1274,7 @@ impl<K, V> BTreeMap<K, V> {
     /// assert_eq!(values, ["hello", "goodbye"]);
     /// ```
     #[inline]
-    #[unstable(feature = "map_into_keys_values", issue = "75294")]
+    #[stable(feature = "map_into_keys_values", since = "1.54.0")]
     pub fn into_values(self) -> IntoValues<K, V> {
         IntoValues { inner: self.into_iter() }
     }
@@ -1776,7 +1774,7 @@ impl<'a, K, V> Range<'a, K, V> {
     }
 }
 
-#[unstable(feature = "map_into_keys_values", issue = "75294")]
+#[stable(feature = "map_into_keys_values", since = "1.54.0")]
 impl<K, V> Iterator for IntoKeys<K, V> {
     type Item = K;
 
@@ -1801,24 +1799,24 @@ impl<K, V> Iterator for IntoKeys<K, V> {
     }
 }
 
-#[unstable(feature = "map_into_keys_values", issue = "75294")]
+#[stable(feature = "map_into_keys_values", since = "1.54.0")]
 impl<K, V> DoubleEndedIterator for IntoKeys<K, V> {
     fn next_back(&mut self) -> Option<K> {
         self.inner.next_back().map(|(k, _)| k)
     }
 }
 
-#[unstable(feature = "map_into_keys_values", issue = "75294")]
+#[stable(feature = "map_into_keys_values", since = "1.54.0")]
 impl<K, V> ExactSizeIterator for IntoKeys<K, V> {
     fn len(&self) -> usize {
         self.inner.len()
     }
 }
 
-#[unstable(feature = "map_into_keys_values", issue = "75294")]
+#[stable(feature = "map_into_keys_values", since = "1.54.0")]
 impl<K, V> FusedIterator for IntoKeys<K, V> {}
 
-#[unstable(feature = "map_into_keys_values", issue = "75294")]
+#[stable(feature = "map_into_keys_values", since = "1.54.0")]
 impl<K, V> Iterator for IntoValues<K, V> {
     type Item = V;
 
@@ -1835,21 +1833,21 @@ impl<K, V> Iterator for IntoValues<K, V> {
     }
 }
 
-#[unstable(feature = "map_into_keys_values", issue = "75294")]
+#[stable(feature = "map_into_keys_values", since = "1.54.0")]
 impl<K, V> DoubleEndedIterator for IntoValues<K, V> {
     fn next_back(&mut self) -> Option<V> {
         self.inner.next_back().map(|(_, v)| v)
     }
 }
 
-#[unstable(feature = "map_into_keys_values", issue = "75294")]
+#[stable(feature = "map_into_keys_values", since = "1.54.0")]
 impl<K, V> ExactSizeIterator for IntoValues<K, V> {
     fn len(&self) -> usize {
         self.inner.len()
     }
 }
 
-#[unstable(feature = "map_into_keys_values", issue = "75294")]
+#[stable(feature = "map_into_keys_values", since = "1.54.0")]
 impl<K, V> FusedIterator for IntoValues<K, V> {}
 
 #[stable(feature = "btree_range", since = "1.17.0")]