1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/coercion/issue-14589.rs b/src/test/ui/coercion/issue-14589.rs
new file mode 100644
index 000000000..d35ee5c73
--- /dev/null
+++ b/src/test/ui/coercion/issue-14589.rs
@@ -0,0 +1,24 @@
+// run-pass
+// All 3 expressions should work in that the argument gets
+// coerced to a trait object
+
+// pretty-expanded FIXME #23616
+
+fn main() {
+    send::<Box<dyn Foo>>(Box::new(Output(0)));
+    Test::<Box<dyn Foo>>::foo(Box::new(Output(0)));
+    Test::<Box<dyn Foo>>::new().send(Box::new(Output(0)));
+}
+
+fn send<T>(_: T) {}
+
+struct Test<T> { marker: std::marker::PhantomData<T> }
+impl<T> Test<T> {
+    fn new() -> Test<T> { Test { marker: ::std::marker::PhantomData } }
+    fn foo(_: T) {}
+    fn send(&self, _: T) {}
+}
+
+trait Foo { fn dummy(&self) { }}
+struct Output(#[allow(unused_tuple_struct_fields)] isize);
+impl Foo for Output {}