1 files changed, 24 insertions, 0 deletions
diff --git a/tests/ui/traits/associated_type_bound/check-trait-object-bounds-6.rs b/tests/ui/traits/associated_type_bound/check-trait-object-bounds-6.rs
new file mode 100644
index 000000000..cb196d67f
--- /dev/null
+++ b/tests/ui/traits/associated_type_bound/check-trait-object-bounds-6.rs
@@ -0,0 +1,24 @@
+// Check that we validate associated type bounds on super traits for trait
+// objects
+
+trait Is {
+    type T;
+}
+
+impl<U> Is for U {
+    type T = U;
+}
+
+trait Obj {
+    type U: Is<T = Self::V>;
+    type V;
+}
+
+fn is_obj<T: ?Sized + Obj>(_: &T) {}
+
+fn f(x: &dyn Obj<U = i32, V = i64>) {
+    is_obj(x)
+    //~^ ERROR type mismatch resolving `<i32 as Is>::T == i64`
+}
+
+fn main() {}