| // run-pass | |
| #![allow(dead_code)] | |
| #![allow(non_camel_case_types)] | |
| // pretty-expanded FIXME #23616 | |
| #![feature(box_syntax)] | |
| trait hax { | |
| fn dummy(&self) { } | |
| } | |
| impl<A> hax for A { } | |
| fn perform_hax<T: 'static>(x: Box<T>) -> Box<dyn hax+'static> { | |
| box x as Box<dyn hax+'static> | |
| } | |
| fn deadcode() { | |
| perform_hax(box "deadcode".to_string()); | |
| } | |
| pub fn main() { | |
| let _ = perform_hax(box 42); | |
| } |