From ea9cff254f2e363a30fcd6f887347f05a76a0f70 Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Tue, 23 Apr 2024 08:43:06 +0200
Subject: [PATCH] add a test for the TLS memory leak

---
 src/tools/miri/tests/many-seeds/tls-leak.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 src/tools/miri/tests/many-seeds/tls-leak.rs

diff --git a/src/tools/miri/tests/many-seeds/tls-leak.rs b/src/tools/miri/tests/many-seeds/tls-leak.rs
new file mode 100644
index 00000000000..70a506958d1
--- /dev/null
+++ b/src/tools/miri/tests/many-seeds/tls-leak.rs
@@ -0,0 +1,13 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/123583>.
+use std::thread;
+
+pub(crate) fn with_thread_local() {
+    thread_local! { static X: Box<u8> = Box::new(0); }
+    X.with(|_x| {})
+}
+
+fn main() {
+    let j2 = thread::spawn(with_thread_local);
+    with_thread_local();
+    j2.join().unwrap();
+}