Regression test for #18919

Closes #18919.

Author: tamird

src/test/compile-fail/issue-18919.rs

@@ -0,0 +1,17 @@
+// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+type FuncType<'f> = Fn(&isize) -> isize + 'f;
+
+fn ho_func(f: Option<FuncType>) {
+    //~^ ERROR: the trait `core::marker::Sized` is not implemented for the type
+}
+
+fn main() {}