// Copyright 2014 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // no-prefer-dynamic static mut DROP_RAN: bool = false; struct Foo; impl Drop for Foo { fn drop(&mut self) { unsafe { DROP_RAN = true; } } } trait Trait { fn dummy(&self) { } } impl Trait for Foo {} struct Fat { f: T } pub fn main() { { // FIXME (#22405): Replace `Box::new` with `box` here when/if possible. let _x: Box> = Box::>::new(Fat { f: Foo }); } unsafe { assert!(DROP_RAN); } }