From aec911675788dff017429f616968bc12b5c88adf Mon Sep 17 00:00:00 2001
From: Slanterns <slanterns.w@gmail.com>
Date: Wed, 14 Aug 2024 18:35:58 +0800
Subject: [PATCH] stabilize `option_get_or_insert_default`

---
 compiler/rustc_mir_transform/src/lib.rs | 1 -
 compiler/rustc_session/src/lib.rs       | 1 -
 library/core/src/option.rs              | 4 +---
 3 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs
index 1f214bc42cbe6..386c9e07efa40 100644
--- a/compiler/rustc_mir_transform/src/lib.rs
+++ b/compiler/rustc_mir_transform/src/lib.rs
@@ -9,7 +9,6 @@
 #![feature(let_chains)]
 #![feature(map_try_insert)]
 #![feature(never_type)]
-#![feature(option_get_or_insert_default)]
 #![feature(round_char_boundary)]
 #![feature(try_blocks)]
 #![feature(yeet_expr)]
diff --git a/compiler/rustc_session/src/lib.rs b/compiler/rustc_session/src/lib.rs
index d93b3eac08040..c3199043c1330 100644
--- a/compiler/rustc_session/src/lib.rs
+++ b/compiler/rustc_session/src/lib.rs
@@ -3,7 +3,6 @@
 #![feature(iter_intersperse)]
 #![feature(let_chains)]
 #![feature(map_many_mut)]
-#![feature(option_get_or_insert_default)]
 #![feature(rustc_attrs)]
 // tidy-alphabetical-end
 
diff --git a/library/core/src/option.rs b/library/core/src/option.rs
index 6c89c81018038..69f0d716cc7b6 100644
--- a/library/core/src/option.rs
+++ b/library/core/src/option.rs
@@ -1650,8 +1650,6 @@ impl<T> Option<T> {
     /// # Examples
     ///
     /// ```
-    /// #![feature(option_get_or_insert_default)]
-    ///
     /// let mut x = None;
     ///
     /// {
@@ -1664,7 +1662,7 @@ impl<T> Option<T> {
     /// assert_eq!(x, Some(7));
     /// ```
     #[inline]
-    #[unstable(feature = "option_get_or_insert_default", issue = "82901")]
+    #[stable(feature = "option_get_or_insert_default", since = "CURRENT_RUSTC_VERSION")]
     pub fn get_or_insert_default(&mut self) -> &mut T
     where
         T: Default,