src/test/run-pass/issue-2935.rs

   1 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 #![allow(unknown_features)]
  12 #![feature(box_syntax)]
  13
  14 //type t = { a: isize };
  15 // type t = { a: bool };
  16 type t = bool;
  17
  18 trait it {
  19     fn f(&self);
  20 }
  21
  22 impl it for t {
  23     fn f(&self) { }
  24 }
  25
  26 pub fn main() {
  27   //    let x = ({a: 4} as it);
  28   //   let y = box ({a: 4});
  29   //    let z = box ({a: 4} as it);
  30   //    let z = box ({a: true} as it);
  31     let z: Box<_> = box (box true as Box<it>);
  32     //  x.f();
  33     // y.f();
  34     // (*z).f();
  35     println!("ok so far...");
  36     z.f(); //segfault
  37 }