rollup merge of #23908: aturon/stab-more-stragglers

* The `io::Seek` trait.
* The `Iterator::{partition, unsip}` methods.
* The `Vec::into_boxed_slice` method.
* The `LinkedList::append` method.
* The `{or_insert, or_insert_with` methods in the `Entry` APIs.

r? @alexcrichton

1 files changed, 2 insertions, 4 deletions

diff --git a/src/libstd/collections/hash/map.rs b/src/libstd/collections/hash/map.rs
index bc0f109de15..a636c1a812d 100644
--- a/src/libstd/collections/hash/map.rs
+++ b/src/libstd/collections/hash/map.rs
@@ -1482,8 +1482,7 @@ impl<'a, K, V> Entry<'a, K, V> {
         }
     }
 
-    #[unstable(feature = "collections",
-               reason = "matches entry v3 specification, waiting for dust to settle")]
+    #[stable(feature = "rust1", since = "1.0.0")]
     /// Ensures a value is in the entry by inserting the default if empty, and returns
     /// a mutable reference to the value in the entry.
     pub fn or_insert(self, default: V) -> &'a mut V {
@@ -1493,8 +1492,7 @@ impl<'a, K, V> Entry<'a, K, V> {
         }
     }
 
-    #[unstable(feature = "collections",
-               reason = "matches entry v3 specification, waiting for dust to settle")]
+    #[stable(feature = "rust1", since = "1.0.0")]
     /// Ensures a value is in the entry by inserting the result of the default function if empty,
     /// and returns a mutable reference to the value in the entry.
     pub fn or_insert_with<F: FnOnce() -> V>(self, default: F) -> &'a mut V {