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;
+}