From 3c9aa691471943e9a391e1445d4a4b699ee444ea Mon Sep 17 00:00:00 2001
From: Jules Bertholet <julesbertholet@quoi.xyz>
Date: Tue, 2 Jan 2024 21:35:34 -0500
Subject: [PATCH] Make `Barrier::new()` const

---
 library/std/src/sync/barrier.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/library/std/src/sync/barrier.rs b/library/std/src/sync/barrier.rs
index ed3c55120847f..764fa284794e1 100644
--- a/library/std/src/sync/barrier.rs
+++ b/library/std/src/sync/barrier.rs
@@ -81,8 +81,10 @@ impl Barrier {
     /// let barrier = Barrier::new(10);
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
+    #[rustc_const_stable(feature = "const_barrier", since = "CURRENT_RUSTC_VERSION")]
     #[must_use]
-    pub fn new(n: usize) -> Barrier {
+    #[inline]
+    pub const fn new(n: usize) -> Barrier {
         Barrier {
             lock: Mutex::new(BarrierState { count: 0, generation_id: 0 }),
             cvar: Condvar::new(),