diff --git a/tests/rustdoc-ui/normalization_uses_ocx.rs b/tests/rustdoc-ui/normalization_uses_ocx.rs
new file mode 100644
index 0000000000000..7c7a07ca7a2c8
--- /dev/null
+++ b/tests/rustdoc-ui/normalization_uses_ocx.rs
@@ -0,0 +1,16 @@
+// check-pass
+// compile-flags: -Znormalize-docs
+// regression test for #112242
+
+trait MyTrait<'a> {
+    type MyItem;
+}
+struct Inner<Q>(Q);
+struct Outer<Q>(Inner<Q>);
+
+unsafe impl<'a, Q> Send for Inner<Q>
+where
+    Q: MyTrait<'a>,
+    <Q as MyTrait<'a>>::MyItem: Copy,
+{
+}