From 89f56a8568d061ea5e110d804aeb62f390a3be17 Mon Sep 17 00:00:00 2001
From: joboet <jonasboettiger@icloud.com>
Date: Fri, 5 Jan 2024 12:20:01 +0100
Subject: [PATCH] add regression test to adress the issue outlined in #119562

---
 library/core/tests/pin.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/library/core/tests/pin.rs b/library/core/tests/pin.rs
index 6f617c8d0c297..ce0c6c6f85cf9 100644
--- a/library/core/tests/pin.rs
+++ b/library/core/tests/pin.rs
@@ -29,3 +29,14 @@ fn pin_const() {
 
     pin_mut_const();
 }
+
+#[test]
+fn dont_shadow() {
+    // test that the pointer field does not shadow fields of the pinned data.
+
+    struct Pinned {
+        pinned: i32,
+    }
+
+    let _: i32 = Pin::new(&mut Pinned { pinned: 0 }).pinned;
+}