// Copyright 2013 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // Tests that even when a type parameter doesn't implement a required // super-builtin-kind of a trait, if the type parameter is never used, // the type can implement the trait anyway. // pretty-expanded FIXME #23616 use std::marker; trait Foo : Send { } struct X { marker: marker::PhantomData } impl Foo for X { } pub fn main() { }