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

3 files changed, 4 insertions, 5 deletions

diff --git a/src/libcollections/btree/map.rs b/src/libcollections/btree/map.rs
index e1d007f0ac4..adfb284dabe 100644
--- a/src/libcollections/btree/map.rs
+++ b/src/libcollections/btree/map.rs
@@ -1134,8 +1134,7 @@ impl<'a, K: Ord, 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 {
@@ -1145,8 +1144,7 @@ impl<'a, K: Ord, 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 {
diff --git a/src/libcollections/linked_list.rs b/src/libcollections/linked_list.rs
index 392dc7346c6..a65fc9b7f6a 100644
--- a/src/libcollections/linked_list.rs
+++ b/src/libcollections/linked_list.rs
@@ -248,6 +248,7 @@ impl<T> LinkedList<T> {
     /// }
     /// println!("{}", b.len()); // prints 0
     /// ```
+    #[stable(feature = "rust1", since = "1.0.0")]
     pub fn append(&mut self, other: &mut LinkedList<T>) {
         match self.list_tail.resolve() {
             None => {
diff --git a/src/libcollections/vec.rs b/src/libcollections/vec.rs
index 2ac50c6cabf..39601783e42 100644
--- a/src/libcollections/vec.rs
+++ b/src/libcollections/vec.rs
@@ -389,7 +389,7 @@ impl<T> Vec<T> {
     /// Note that this will drop any excess capacity. Calling this and
     /// converting back to a vector with `into_vec()` is equivalent to calling
     /// `shrink_to_fit()`.
-    #[unstable(feature = "collections")]
+    #[stable(feature = "rust1", since = "1.0.0")]
     pub fn into_boxed_slice(mut self) -> Box<[T]> {
         self.shrink_to_fit();
         unsafe {