// Copyright 2012-2014 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. // pretty-expanded FIXME #23616 #![feature(box_syntax)] use std::collections::HashMap; pub fn main() { let x: Box<_>; let mut buggy_map: HashMap = HashMap::new(); x = box 1; buggy_map.insert(42, &*x); }