Auto merge of #44678 - alexcrichton:rollup, r=alexcrichton

Rollup of 11 pull requests

- Successful merges: #44364, #44466, #44537, #44548, #44640, #44651, #44657, #44661, #44668, #44671, #44675
- Failed merges:

2 files changed, 7 insertions, 8 deletions

diff --git a/src/liballoc/string.rs b/src/liballoc/string.rs
index 46b96df1eab..6d0bb264df1 100644
--- a/src/liballoc/string.rs
+++ b/src/liballoc/string.rs
@@ -1451,7 +1451,7 @@ impl String {
     /// s.splice(..beta_offset, "Α is capital alpha; ");
     /// assert_eq!(s, "Α is capital alpha; β is beta");
     /// ```
-    #[unstable(feature = "splice", reason = "recently added", issue = "32310")]
+    #[unstable(feature = "splice", reason = "recently added", issue = "44643")]
     pub fn splice<R>(&mut self, range: R, replace_with: &str)
         where R: RangeArgument<usize>
     {
diff --git a/src/liballoc/vec.rs b/src/liballoc/vec.rs
index 45574bad9ac..75d54b82076 100644
--- a/src/liballoc/vec.rs
+++ b/src/liballoc/vec.rs
@@ -1943,7 +1943,6 @@ impl<T> Vec<T> {
     /// # Examples
     ///
     /// ```
-    /// #![feature(splice)]
     /// let mut v = vec![1, 2, 3];
     /// let new = [7, 8];
     /// let u: Vec<_> = v.splice(..2, new.iter().cloned()).collect();
@@ -1951,7 +1950,7 @@ impl<T> Vec<T> {
     /// assert_eq!(u, &[1, 2]);
     /// ```
     #[inline]
-    #[unstable(feature = "splice", reason = "recently added", issue = "32310")]
+    #[stable(feature = "vec_splice", since = "1.22.0")]
     pub fn splice<R, I>(&mut self, range: R, replace_with: I) -> Splice<I::IntoIter>
         where R: RangeArgument<usize>, I: IntoIterator<Item=T>
     {
@@ -2554,13 +2553,13 @@ impl<'a, T> InPlace<T> for PlaceBack<'a, T> {
 /// [`splice()`]: struct.Vec.html#method.splice
 /// [`Vec`]: struct.Vec.html
 #[derive(Debug)]
-#[unstable(feature = "splice", reason = "recently added", issue = "32310")]
+#[stable(feature = "vec_splice", since = "1.22.0")]
 pub struct Splice<'a, I: Iterator + 'a> {
     drain: Drain<'a, I::Item>,
     replace_with: I,
 }
 
-#[unstable(feature = "splice", reason = "recently added", issue = "32310")]
+#[stable(feature = "vec_splice", since = "1.22.0")]
 impl<'a, I: Iterator> Iterator for Splice<'a, I> {
     type Item = I::Item;
 
@@ -2573,18 +2572,18 @@ impl<'a, I: Iterator> Iterator for Splice<'a, I> {
     }
 }
 
-#[unstable(feature = "splice", reason = "recently added", issue = "32310")]
+#[stable(feature = "vec_splice", since = "1.22.0")]
 impl<'a, I: Iterator> DoubleEndedIterator for Splice<'a, I> {
     fn next_back(&mut self) -> Option<Self::Item> {
         self.drain.next_back()
     }
 }
 
-#[unstable(feature = "splice", reason = "recently added", issue = "32310")]
+#[stable(feature = "vec_splice", since = "1.22.0")]
 impl<'a, I: Iterator> ExactSizeIterator for Splice<'a, I> {}
 
 
-#[unstable(feature = "splice", reason = "recently added", issue = "32310")]
+#[stable(feature = "vec_splice", since = "1.22.0")]
 impl<'a, I: Iterator> Drop for Splice<'a, I> {
     fn drop(&mut self) {
         // exhaust drain first