src/test/ui/issues/issue-2935.rs

   1 // run-pass
   2 #![allow(dead_code)]
   3 #![allow(non_camel_case_types)]
   4 #![feature(box_syntax)]
   5
   6 //type t = { a: isize };
   7 // type t = { a: bool };
   8 type t = bool;
   9
  10 trait it {
  11     fn f(&self);
  12 }
  13
  14 impl it for t {
  15     fn f(&self) { }
  16 }
  17
  18 pub fn main() {
  19   //    let x = ({a: 4} as it);
  20   //   let y = box ({a: 4});
  21   //    let z = box ({a: 4} as it);
  22   //    let z = box ({a: true} as it);
  23     let z: Box<_> = box (box true as Box<dyn it>);
  24     //  x.f();
  25     // y.f();
  26     // (*z).f();
  27     println!("ok so far...");
  28     z.f(); //segfault
  29 }