1 files changed, 16 insertions, 0 deletions
diff --git a/src/test/rustdoc/auto-impl-for-trait.rs b/src/test/rustdoc/auto-impl-for-trait.rs
new file mode 100644
index 000000000..bc658fbfc
--- /dev/null
+++ b/src/test/rustdoc/auto-impl-for-trait.rs
@@ -0,0 +1,16 @@
+// Test for https://github.com/rust-lang/rust/issues/48463 issue.
+
+use std::any::Any;
+use std::ops::Deref;
+
+pub struct AnyValue {
+    val: Box<Any>,
+}
+
+impl Deref for AnyValue {
+    type Target = Any;
+
+    fn deref(&self) -> &Any {
+        &*self.val
+    }
+}