1 files changed, 31 insertions, 0 deletions
diff --git a/src/test/ui/overloaded/issue-14958.rs b/src/test/ui/overloaded/issue-14958.rs
new file mode 100644
index 000000000..a12564ca9
--- /dev/null
+++ b/src/test/ui/overloaded/issue-14958.rs
@@ -0,0 +1,31 @@
+// run-pass
+// pretty-expanded FIXME #23616
+
+#![feature(fn_traits, unboxed_closures)]
+
+trait Foo { fn dummy(&self) { }}
+
+struct Bar;
+
+impl<'a> std::ops::Fn<(&'a (dyn Foo+'a),)> for Bar {
+    extern "rust-call" fn call(&self, _: (&'a dyn Foo,)) {}
+}
+
+impl<'a> std::ops::FnMut<(&'a (dyn Foo+'a),)> for Bar {
+    extern "rust-call" fn call_mut(&mut self, a: (&'a dyn Foo,)) { self.call(a) }
+}
+
+impl<'a> std::ops::FnOnce<(&'a (dyn Foo+'a),)> for Bar {
+    type Output = ();
+    extern "rust-call" fn call_once(self, a: (&'a dyn Foo,)) { self.call(a) }
+}
+
+struct Baz;
+
+impl Foo for Baz {}
+
+fn main() {
+    let bar = Bar;
+    let baz = &Baz;
+    bar(baz);
+}