From d4175033f0ae85fbb9e51a03469bf227763431a4 Mon Sep 17 00:00:00 2001
From: Jonathan Brouwer <jonathantbrouwer@gmail.com>
Date: Mon, 18 Aug 2025 10:05:11 +0200
Subject: [PATCH] Allow stability attributes on extern crates

---
 compiler/rustc_attr_parsing/src/attributes/stability.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/compiler/rustc_attr_parsing/src/attributes/stability.rs b/compiler/rustc_attr_parsing/src/attributes/stability.rs
index 5a26178f84b58..c7a809d7d881a 100644
--- a/compiler/rustc_attr_parsing/src/attributes/stability.rs
+++ b/compiler/rustc_attr_parsing/src/attributes/stability.rs
@@ -54,6 +54,7 @@ const ALLOWED_TARGETS: AllowedTargets = AllowedTargets::AllowList(&[
     Allow(Target::Static),
     Allow(Target::ForeignFn),
     Allow(Target::ForeignStatic),
+    Allow(Target::ExternCrate),
 ]);
 
 #[derive(Default)]