1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/late-bound-lifetimes/issue-47511.rs b/src/test/ui/late-bound-lifetimes/issue-47511.rs
new file mode 100644
index 000000000..789443515
--- /dev/null
+++ b/src/test/ui/late-bound-lifetimes/issue-47511.rs
@@ -0,0 +1,21 @@
+// check-pass
+
+fn f(_: X) -> X {
+    unimplemented!()
+}
+
+fn g<'a>(_: X<'a>) -> X<'a> {
+    unimplemented!()
+}
+
+type X<'a> = <&'a () as Trait>::Value;
+
+trait Trait {
+    type Value;
+}
+
+impl<'a> Trait for &'a () {
+    type Value = ();
+}
+
+fn main() {}