1 files changed, 29 insertions, 0 deletions
diff --git a/tests/ui/traits/trait-implementation-and-usage-7563.rs b/tests/ui/traits/trait-implementation-and-usage-7563.rs
new file mode 100644
index 00000000000..8cfc7a14ffe
--- /dev/null
+++ b/tests/ui/traits/trait-implementation-and-usage-7563.rs
@@ -0,0 +1,29 @@
+// https://github.com/rust-lang/rust/issues/7563
+//@ run-pass
+#![allow(dead_code)]
+trait IDummy {
+    fn do_nothing(&self);
+}
+
+#[derive(Debug)]
+struct A { a: isize }
+#[derive(Debug)]
+struct B<'a> { b: isize, pa: &'a A }
+
+    impl IDummy for A {
+        fn do_nothing(&self) {
+            println!("A::do_nothing() is called");
+        }
+    }
+
+impl<'a> B<'a> {
+    fn get_pa(&self) -> &'a dyn IDummy { self.pa as &'a dyn IDummy }
+}
+
+pub fn main() {
+    let sa = A { a: 100 };
+    let sb = B { b: 200, pa: &sa };
+
+    println!("sa is {:?}", sa);
+    println!("sb is {:?}", sb);
+}