/src/test/run-pass/mlist-cycle.rs

 1// xfail-test
 2// -*- rust -*-
 3use std;
 4
 5type cell = {mut c: @list};
 6
 7enum list { link(@cell), nil, }
 8
 9fn main() {
10    let first: @cell = @{mut c: @nil()};
11    let second: @cell = @{mut c: @link(first)};
12    first._0 = @link(second);
13    sys.rustrt.gc();
14    let third: @cell = @{mut c: @nil()};
15}