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