rust/src/test/run-pass/issue-2101.rs

// Copyright 2012 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.

// xfail-test
extern mod std;
use std::arena;
use std::arena::Arena;

enum hold { s(str) }

fn init(ar: &a.arena::Arena, str: str) -> &a.hold {
    new(*ar) s(str)
}

pub fn main(args: ~[str]) {
    let ar = arena::Arena();
    let leak = init(&ar, args[0]);
    match *leak {
        s(astr) {
            io::println(fmt!("%?", astr));
        }
    };
}