From 81d1f7ea9d86490de2920d7b726db412c21de005 Mon Sep 17 00:00:00 2001
From: Nicholas Nethercote <n.nethercote@gmail.com>
Date: Thu, 5 Oct 2023 19:56:19 +1100
Subject: [PATCH] Use a closure when setting `State::Active`.

---
 compiler/rustc_feature/src/active.rs | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/compiler/rustc_feature/src/active.rs b/compiler/rustc_feature/src/active.rs
index abfaef8b0ff23..83961647bd442 100644
--- a/compiler/rustc_feature/src/active.rs
+++ b/compiler/rustc_feature/src/active.rs
@@ -39,12 +39,7 @@ macro_rules! declare_features {
                 Feature {
                     state: State::Active {
                         // Sets this feature's corresponding bool within `features`.
-                        set: {
-                            fn f(features: &mut Features) {
-                                features.$feature = true;
-                            }
-                            f as fn(&mut Features)
-                        }
+                        set: |features| features.$feature = true,
                     },
                     name: sym::$feature,
                     since: $ver,