3 #![feature(maybe_uninit)]
5 use std::mem::MaybeUninit;
7 // Boxing a `MaybeUninit` value should not copy junk from the stack
9 pub fn box_uninitialized() -> Box<MaybeUninit<usize>> {
10 // CHECK-LABEL: @box_uninitialized
12 Box::new(MaybeUninit::uninitialized())