Add tracking issue

Author: camelid

library/core/src/iter/adapters/intersperse.rs

@@ -1,7 +1,7 @@
 use super::Peekable;
 
 /// An iterator adapter that places a separator between all elements.
-#[unstable(feature = "iter_intersperse", reason = "recently added", issue = "none")]
+#[unstable(feature = "iter_intersperse", reason = "recently added", issue = "79524")]
 #[derive(Debug, Clone)]
 pub struct Intersperse<I: Iterator>
 where
@@ -21,7 +21,7 @@ where
     }
 }
 
-#[unstable(feature = "iter_intersperse", reason = "recently added", issue = "none")]
+#[unstable(feature = "iter_intersperse", reason = "recently added", issue = "79524")]
 impl<I> Iterator for Intersperse<I>
 where
     I: Iterator,

library/core/src/iter/adapters/mod.rs

@@ -42,7 +42,7 @@ pub use self::flatten::Flatten;
 #[stable(feature = "iter_copied", since = "1.36.0")]
 pub use self::copied::Copied;
 
-#[unstable(feature = "iter_intersperse", reason = "recently added", issue = "none")]
+#[unstable(feature = "iter_intersperse", reason = "recently added", issue = "79524")]
 pub use self::intersperse::Intersperse;
 
 #[unstable(feature = "iter_map_while", reason = "recently added", issue = "68537")]

library/core/src/iter/mod.rs

@@ -395,7 +395,7 @@ pub use self::adapters::Cloned;
 pub use self::adapters::Copied;
 #[stable(feature = "iterator_flatten", since = "1.29.0")]
 pub use self::adapters::Flatten;
-#[unstable(feature = "iter_intersperse", reason = "recently added", issue = "none")]
+#[unstable(feature = "iter_intersperse", reason = "recently added", issue = "79524")]
 pub use self::adapters::Intersperse;
 #[unstable(feature = "iter_map_while", reason = "recently added", issue = "68537")]
 pub use self::adapters::MapWhile;

library/core/src/iter/traits/iterator.rs

@@ -582,7 +582,7 @@ pub trait Iterator {
     /// assert_eq!(hello, "Hello World");
     /// ```
     #[inline]
-    #[unstable(feature = "iter_intersperse", reason = "recently added", issue = "none")]
+    #[unstable(feature = "iter_intersperse", reason = "recently added", issue = "79524")]
     fn intersperse(self, separator: Self::Item) -> Intersperse<Self>
     where
         Self: Sized,