1 files changed, 12 insertions, 0 deletions
diff --git a/src/test/ui/traits/issue-28576.rs b/src/test/ui/traits/issue-28576.rs
new file mode 100644
index 000000000..972c839b6
--- /dev/null
+++ b/src/test/ui/traits/issue-28576.rs
@@ -0,0 +1,12 @@
+pub trait Foo<RHS=Self> {
+    type Assoc;
+}
+
+pub trait Bar: Foo<Assoc=()> {
+    fn new(&self, b: &
+           dyn Bar //~ ERROR the trait `Bar` cannot be made into an object
+              <Assoc=()>
+    );
+}
+
+fn main() {}