1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/ui/associated-types/associated-types-eq-obj.rs b/src/test/ui/associated-types/associated-types-eq-obj.rs
new file mode 100644
index 000000000..c202c376c
--- /dev/null
+++ b/src/test/ui/associated-types/associated-types-eq-obj.rs
@@ -0,0 +1,25 @@
+// run-pass
+// Test equality constraints on associated types inside of an object type
+
+// pretty-expanded FIXME #23616
+
+pub trait Foo {
+    type A;
+    fn boo(&self) -> <Self as Foo>::A;
+}
+
+pub struct Bar;
+
+impl Foo for char {
+    type A = Bar;
+    fn boo(&self) -> Bar { Bar }
+}
+
+fn baz(x: &dyn Foo<A=Bar>) -> Bar {
+    x.boo()
+}
+
+pub fn main() {
+    let a = 'a';
+    baz(&a);
+}