//@ run-pass #![allow(unused_variables)] #![allow(stable_features)] // test that ordinary fat pointer operations work. #![feature(braced_empty_structs)] #![feature(rustc_attrs)] use std::sync::atomic; use std::sync::atomic::Ordering::SeqCst; static COUNTER: atomic::AtomicUsize = atomic::AtomicUsize::new(0); struct DropMe { } impl Drop for DropMe { fn drop(&mut self) { COUNTER.fetch_add(1, SeqCst); } } fn fat_ptr_move_then_drop(a: Box<[DropMe]>) { let b = a; } fn main() { let a: Box<[DropMe]> = Box::new([DropMe { }]); fat_ptr_move_then_drop(a); assert_eq!(COUNTER.load(SeqCst), 1); }