1 files changed, 37 insertions, 0 deletions
diff --git a/src/test/ui/associated-types/hr-associated-type-bound-param-5.rs b/src/test/ui/associated-types/hr-associated-type-bound-param-5.rs
new file mode 100644
index 000000000..d7f3151a5
--- /dev/null
+++ b/src/test/ui/associated-types/hr-associated-type-bound-param-5.rs
@@ -0,0 +1,37 @@
+trait Cycle: Sized {
+    type Next: Cycle<Next = Self>;
+}
+
+impl<T> Cycle for Box<T> {
+    type Next = Vec<T>;
+}
+
+impl<T> Cycle for Vec<T> {
+    type Next = Box<T>;
+}
+
+trait X<'a, T: Cycle + for<'b> X<'b, T>>
+where
+    for<'b> <T as X<'b, T>>::U: Clone,
+    for<'b> T::Next: X<'b, T::Next>,
+    for<'b> <T::Next as X<'b, T::Next>>::U: Clone,
+{
+    type U: ?Sized;
+    fn f(x: &<T as X<'_, T>>::U) {
+        <<T as X<'_, T>>::U>::clone(x);
+    }
+}
+
+impl<S, T> X<'_, Vec<T>> for S {
+    type U = str;
+    //~^ ERROR the trait bound `str: Clone` is not satisfied
+}
+
+impl<S, T> X<'_, Box<T>> for S {
+    type U = str;
+    //~^ ERROR the trait bound `str: Clone` is not satisfied
+}
+
+pub fn main() {
+    <i32 as X<Box<i32>>>::f("abc");
+}