From c972a4269c862c3bc98fb649f17c57b4d429fe13 Mon Sep 17 00:00:00 2001
From: Amanieu d'Antras <amanieu@gmail.com>
Date: Tue, 28 Mar 2023 17:29:21 +0100
Subject: [PATCH] Stabilize `binary_heap_retain`

FCP finished in tracking issue: #71503
---
 library/alloc/src/collections/binary_heap/mod.rs | 3 +--
 library/alloc/tests/lib.rs                       | 1 -
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/library/alloc/src/collections/binary_heap/mod.rs b/library/alloc/src/collections/binary_heap/mod.rs
index d0a87e3fb9fd5..31946822689d8 100644
--- a/library/alloc/src/collections/binary_heap/mod.rs
+++ b/library/alloc/src/collections/binary_heap/mod.rs
@@ -837,7 +837,6 @@ impl<T: Ord> BinaryHeap<T> {
     /// Basic usage:
     ///
     /// ```
-    /// #![feature(binary_heap_retain)]
     /// use std::collections::BinaryHeap;
     ///
     /// let mut heap = BinaryHeap::from([-10, -5, 1, 2, 4, 13]);
@@ -846,7 +845,7 @@ impl<T: Ord> BinaryHeap<T> {
     ///
     /// assert_eq!(heap.into_sorted_vec(), [-10, 2, 4])
     /// ```
-    #[unstable(feature = "binary_heap_retain", issue = "71503")]
+    #[stable(feature = "binary_heap_retain", since = "CURRENT_RUSTC_VERSION")]
     pub fn retain<F>(&mut self, mut f: F)
     where
         F: FnMut(&T) -> bool,
diff --git a/library/alloc/tests/lib.rs b/library/alloc/tests/lib.rs
index 966cf57511630..4f298e3f5cc08 100644
--- a/library/alloc/tests/lib.rs
+++ b/library/alloc/tests/lib.rs
@@ -25,7 +25,6 @@
 #![feature(binary_heap_into_iter_sorted)]
 #![feature(binary_heap_drain_sorted)]
 #![feature(slice_ptr_get)]
-#![feature(binary_heap_retain)]
 #![feature(binary_heap_as_slice)]
 #![feature(inplace_iteration)]
 #![feature(iter_advance_by)]