From 584bb2e9db4b823f6134b80fcba2850b38169071 Mon Sep 17 00:00:00 2001
From: Taiki Endo <te316e89@gmail.com>
Date: Fri, 30 Apr 2021 21:00:22 +0900
Subject: [PATCH] Use feature(const_fn_trait_bound) instead of
 feature(const_fn)

    error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable
       --> crossbeam-epoch/src/atomic.rs:313:6
        |
    313 | impl<T: ?Sized + Pointable> Atomic<T> {
        |      ^
        |
        = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
        = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable
---
 crossbeam-epoch/src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crossbeam-epoch/src/lib.rs b/crossbeam-epoch/src/lib.rs
index 99da911ba..81b6b37c9 100644
--- a/crossbeam-epoch/src/lib.rs
+++ b/crossbeam-epoch/src/lib.rs
@@ -63,7 +63,7 @@
 )]
 #![cfg_attr(not(feature = "std"), no_std)]
 #![cfg_attr(feature = "nightly", feature(cfg_target_has_atomic))]
-#![cfg_attr(feature = "nightly", feature(const_fn))]
+#![cfg_attr(feature = "nightly", feature(const_fn_trait_bound))]
 
 #[cfg(crossbeam_loom)]
 extern crate loom_crate as loom;