From ac9707d25cb05b43a4466dbf18ca56f1b463ea78 Mon Sep 17 00:00:00 2001
From: apekros <bayleyfoster@gmail.com>
Date: Wed, 27 Sep 2023 18:05:14 +1000
Subject: [PATCH] Add regression test for rust-lang#56098

---
 tests/ui/foreign/foreign-fn-linkname.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tests/ui/foreign/foreign-fn-linkname.rs b/tests/ui/foreign/foreign-fn-linkname.rs
index f6d820594f9..d1d6e703e3d 100644
--- a/tests/ui/foreign/foreign-fn-linkname.rs
+++ b/tests/ui/foreign/foreign-fn-linkname.rs
@@ -2,6 +2,9 @@
 // ignore-wasm32-bare no libc to test ffi with
 // ignore-sgx no libc
 
+// Ensure no false positive on "unused extern crate" lint
+#![deny(unused_extern_crates)]
+
 #![feature(rustc_private)]
 
 extern crate libc;