From 3632f41c78eb848f0ffae6bc347b27f7cf3eeda7 Mon Sep 17 00:00:00 2001
From: Yoshua Wuyts <yoshuawuyts@gmail.com>
Date: Fri, 7 Jan 2022 01:04:37 +0100
Subject: [PATCH] Stabilize `#[feature(available_parallelism)]`

---
 library/std/src/thread/mod.rs | 3 +--
 library/test/src/lib.rs       | 1 -
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/library/std/src/thread/mod.rs b/library/std/src/thread/mod.rs
index 9f7f10d0d00..ae4b65871ec 100644
--- a/library/std/src/thread/mod.rs
+++ b/library/std/src/thread/mod.rs
@@ -1504,7 +1504,6 @@ fn _assert_both<T: Send + Sync>() {}
 ///
 /// ```
 /// # #![allow(dead_code)]
-/// #![feature(available_parallelism)]
 /// use std::{io, thread};
 ///
 /// fn main() -> io::Result<()> {
@@ -1516,7 +1515,7 @@ fn _assert_both<T: Send + Sync>() {}
 #[doc(alias = "available_concurrency")] // Alias for a previous name we gave this API on unstable.
 #[doc(alias = "hardware_concurrency")] // Alias for C++ `std::thread::hardware_concurrency`.
 #[doc(alias = "num_cpus")] // Alias for a popular ecosystem crate which provides similar functionality.
-#[unstable(feature = "available_parallelism", issue = "74479")]
+#[stable(feature = "available_parallelism", since = "1.59.0")]
 pub fn available_parallelism() -> io::Result<NonZeroUsize> {
     imp::available_parallelism()
 }
diff --git a/library/test/src/lib.rs b/library/test/src/lib.rs
index 608e587cf34..fad83094cdf 100644
--- a/library/test/src/lib.rs
+++ b/library/test/src/lib.rs
@@ -16,7 +16,6 @@
 #![unstable(feature = "test", issue = "50297")]
 #![doc(test(attr(deny(warnings))))]
 #![feature(nll)]
-#![feature(available_parallelism)]
 #![feature(bench_black_box)]
 #![feature(internal_output_capture)]
 #![feature(staged_api)]